SK8CAD: Two-Part Inverted Molds

//NOTE: DO NOT EDIT THIS CODE IF YOU ARE PLACING AN ORDER. // OUR SYSTEM WILL NOT SEE YOUR UPDATES. // IF YOU NEED A CUSTOM ORDER, PLEASE CONTACT US. // title : SK8CAD - Mint Chip (Vanilla Mod) // author : Beau Trifiro // license : Copyright 2020 - present, Open Source Skateboards // description: Skateboard and inverted mold customizer // last edit : 23 June 2022 // filename : mint-chip-0-1-0.jscad // version : 0.1.0 // rev notes : Derived from https://sk8cad.com function getParameterDefinitions() { return ([ { name: 'display_title', caption: 'Display', type: 'group', class: 'category'}, { name: 'display_item', caption: 'Show ', type: 'choice', values: [0, 3, 4, 5], initial: 5, captions: ['Board', 'Inverted Male Mold', 'Inverted Female Mold', 'Both Normal Molds']}, { name: 'display_inches', type: 'checkbox', checked: false, caption: 'Dual Unit Display'}, { name: 'mold_design', caption: '<hr> Mold Specs', type: 'group'}, { name: 'mold_length', id: 'mold_length_id', caption: 'Length, in ', type: 'choice', values: [33,33.5,34,34.5,35,35.5,36],initial: 34, captions: ['33','33.5','34','34.5','35','35.5','36']}, { name: 'mold_width', id: 'mold_width_id', caption: 'Width, in ', type: 'choice', values: [9,9.5,10,10.5,11,11.5,12],initial: 9.5, captions: ['9','9.5','10','10.5','11','11.5','12']}, //{ name: 'mold_height', id: 'mold_height_id', caption: 'Mold Height, in ', type: 'float', initial: 4, min: 1, step: 0.125}, //{ name: 'female_mold_height', caption: 'Female Mold Height, in', type: 'float', initial: 4, min: 1, step: 0.125}, { name: 'mold_offset', type: 'float', initial: 0.875, step: 0.0625, caption: 'Mold Offset, in '}, //{ name: 'min_cavity_height', type: 'float', initial: 3, step: 0.125, caption: 'Min. Female Mold Height, in'}, //{ name: 'mold_holes', type: 'checkbox', checked: false, caption: 'Include Truck Holes'}, //{ name: 'truck_hole_diameter', caption: 'Truck Hole Diameter, in ', type: 'float', initial: 0.1875, min: 0.05, max: 1, step: 0.01}, //{ name: 'make_notches', type: 'checkbox', checked: true, caption: 'Alignment Notches'}, //{ name: 'notch_size', caption: 'Notch Diameter, in ', type: 'float', initial: 0.5, min: 0.05, max: 1, step: 0.01}, /*{ name: 'resolution', type: 'float', initial: 0.25, step: 0.0625, min: 0, max: 0.5, caption: 'Model Resolution (For exporting)'}, */ //{ name: 'model_res', type: 'float', initial: 8, step: 4, min: 4, max: 16, caption: 'Model Resolution (For exporting)'}, /*{ name: 'print_settings', caption: '<hr> Sections', type: 'group'}, { name: 'print_width', type: 'float', initial: 8, step: 1, min: 5, max: 15, caption: 'Print Section Width, in '}, { name: 'print_length', type: 'float', initial: 8, step: 1, min: 5, max: 15, caption: 'Print Section Length, in '}, { name: 'make_bores', type: 'checkbox', checked: false, caption: 'Mold Bores'}, { name: 'bore_diameter', type: 'float', initial: 0.25, step: 0.01, min: 0.02, max: 1, caption: 'Bore Diameter, in '}, { name: 'bore_depth', type: 'float', initial: 0.3, step: 0.1, min: 0.02, max: 2, caption: 'Bore Depth, in '}, { name: 'bore_spacing', type: 'float', initial: 0.5, step: 0.1, min: 0.02, max: 2, caption: 'Bore Spacing, in '}, { name: 'printSection', caption: 'Section to Download', type: 'choice', values: ['NONE','C','1N','1T','2N','2T','3N','3T'], initial: 0, captions: ['None', 'Center', 'Adjacent Nose', 'Adjacent Tail', 'Nose', 'Tail', 'Extended Nose', 'Extended Tail']}, */ { name: 'board_design', caption: '<hr> Design Your Board Board Length: (To change this, update wheelbase, nose length, and tail length.) ', type: 'group'}, { name: 'profile', type: 'checkbox', checked: false, caption: 'Show Board Outline, Only (Faster rendering)'}, { name: 'uncut', type: 'checkbox', checked: false, caption: 'Show Uncut Deck'}, { name: 'width', id: 'width_id', type: 'float', initial: 8.25, step: 0.125, caption: 'Width, in '}, { name: 'wheelbase', id: 'wheelbase_id', type: 'float', initial: 14.0, step: 0.125, caption: 'Wheelbase, in '}, { name: 'nose_length', id: 'nose_length_id', type: 'float', initial: 6.75, step: 0.125, caption: 'Nose Length, in '}, { name: 'tail_length', id: 'tail_length_id', type: 'float', initial: 6.5, step: 0.125, caption: 'Tail Length, in '}, { name: 'concave_drop', id: 'concave_drop_id', type: 'float', initial: 0.4, step: 0.1, max: 0.6, min: 0.0, caption: 'Concave Drop, in '}, // concave_radius=0, make flat board { name: 'tub_concave', id: 'tub_concave_id', type: 'checkbox', checked: true, caption: 'Tub Concave'}, { name: 'flat_width', id: 'flat_width_id', type: 'float', initial: 2.0, step: 0.125, caption: 'Flat Concave Width, in '}, //{ name: 'tub_angle', type: 'float', initial: 11, step: 0.25, caption: 'Tub Angle, deg.'}, { name: 'tub_radius', id: 'tub_radius_id', type: 'float', initial: 6, step: 0.5, caption: 'Tub Radius, in '}, { name: 'kicknose_angle', id: 'kicknose_angle_id', type: 'float', initial: 20.0, step: 1, min: 0, max: 25.0, caption: 'Kicknose, deg'}, { name: 'kicktail_angle', id: 'kicktail_angle_id', type: 'float', initial: 19.0, step: 1, min: 0, max: 25.0, caption: 'Kicktail, deg'}, { name: 'nose_radius', id: 'nose_radius_id', type: 'float', initial: 4, step: 1, max: 20, min: 4, caption: 'Nose Radius, in '}, { name: 'tail_radius', id: 'tail_radius_id', type: 'float', initial: 5, step: 1, max: 20, min: 4, caption: 'Tail Radius, in '}, { name: 'transition_length', id: 'transition_length_id', type: 'float', initial: 4, step: 0.25, max: 8, min: 3, caption: 'Transition Length, in '}, { name: 'kick_gap', id: 'kick_gap_id', type: 'float', initial: 1, step: 0.125, max: 3, min: 0, caption: 'Kick Gap, in '}, { name: 'kick_concave_label', caption: 'Kick Concave', type: 'group'}, { name: 'kick_concave', id: 'kick_concave_id', type: 'checkbox', checked: false, caption: 'Concave in Kicks'}, { name: 'nose_base_drop', id: 'nose_base_drop_id', type: 'float', initial: 0.125, step: 0.03125, max: 0.2, min: 0, caption: 'Nose Base Drop, in '}, { name: 'nose_edge_kick_angle', id: 'nose_edge_kick_angle_id', type: 'float', initial: 1, step: 0.5, max: 3, min: 0, caption: 'Add. Angle - Nose, deg'}, { name: 'nose_edge_kick_rad', id: 'nose_edge_kick_rad_id', type: 'float', initial: 1, step: 0.5, max: 3, min: 0, caption: 'Add. Radius - Nose, in '}, { name: 'tail_base_drop', id: 'tail_base_drop_id', type: 'float', initial: 0.125, step: 0.03125, max: 0.2, min: 0, caption: 'Tail Base Drop, in '}, { name: 'tail_edge_kick_angle', id: 'tail_edge_kick_angle_id', type: 'float', initial: 1, step: 0.5, max: 3, min: 0, caption: 'Add. Angle - Tail, deg'}, { name: 'tail_edge_kick_rad', id: 'tail_edge_kick_rad_id', type: 'float', initial: 1, step: 0.5, max: 3, min: 0, caption: 'Add. Radius - Tail, in '}, { name: 'kcRes', id: 'kcRes_id', type: 'slider', class: 'paramSlider', min: -4, max: 4, initial: 0, step: 1, caption: 'Kick Concave Resolution'}, { name: 'show_contours', type: 'checkbox', checked: false, caption: 'Show Contours'}, { name: 'contour_res', caption: 'Contour Resolution ', type: 'choice', values: [0.0625, 0.125, 0.25, 0.5], initial: 0.25, captions: ['Ultra fine', 'Fine', 'Medium', 'Coarse']}, { name: 'cutout_specs', caption: 'Shape Controls', type: 'group'}, { name: 'taperN', id: 'taperN_id', type: 'float', initial: 7, step: 0.125, caption: 'Nose Taper Point, in '}, { name: 'taperT', id: 'taperT_id', type: 'float', initial: 7.25, step: 0.125, caption: 'Tail Taper Point, in '}, { name: 'nose_adjust', id: 'nose_adjust_id', type: 'slider', class: 'paramSlider tipShapes', min: 50, max: 100, initial: 72, step: 1, caption: 'Nose Shape'}, { name: 'tail_adjust', id: 'tail_adjust_id', type: 'slider', class: 'paramSlider tipShapes', min: 50, max: 100, initial: 70, step: 1, caption: 'Tail Shape'}, { name: 'make_cutouts', id: 'make_cutouts_id', type: 'checkbox', checked: false, caption: 'Advanced Shapes'}, { name: 'noseLipX', id: 'noseLipX_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: 5, max: 18, step: 0.1, initial: 10, caption: 'Nose Cutout Depth'}, { name: 'noseLipY', id: 'noseLipY_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: -2, max: 4, step: 0.1, initial: 4, caption: 'Nose Cutout Width'}, { name: 'noseY', id: 'noseY_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: 2, max: 9, initial: 4, step: 0.1, caption: 'Nose Width'}, { name: 'tailLipX', id: 'tailLipX_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: 5, max: 18, step: 0.1, initial: 12, caption: 'Tail Cutout Depth'}, { name: 'tailLipY', id: 'tailLipY_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: -2, max: 4, step: 0.1, initial: 2, caption: 'Tail Cutout Width'}, { name: 'tailY', id: 'tailY_id', type: 'slider', class: 'paramSlider cutoutSpecs', min: 2, max: 9, initial: 6, step: 0.1, caption: 'Tail Width'} ]); } function main (parameters) { var display = parameters.display_item; var i_display = display; var mold_size; var mold_length = parameters.mold_length; var mold_width = parameters.mold_width; var mold_height = 3; //parameters.mold_height; var actual_cav_height = mold_height; //stock material height var mold_holes = false;// parameters.mold_holes; var truck_hole_diameter = 0.1875; //parameters.truck_hole_diameter; var make_notches = true;//parameters.make_notches; var notch_diameter = 0.5;// parameters.notch_size; var model_res = 8;//parameters.model_res; var tub_res = 2/model_res; var showProfile = parameters.profile; var show_uncut = parameters.uncut; if (show_uncut == true) { make_notches = false; } var mold_choice = '0'; var profile_choice = mold_choice; var printSection = false; //parameters.printSection; var make_bores = false; //parameters.make_bores; /*var bore_dia = parameters.bore_diameter; var bore_depth = parameters.bore_depth; var bore_spacing = parameters.bore_spacing; */ var make_cutouts; var width; var wheelbase; var tail_length; var nose_length; var nose_shape; var tail_shape; var taperN; var taperT; var noseLipX; var noseLipY; var noseY; var tailLipX; var tailLipY; var tailY; var concave_drop; var concave_radius; var kicknose_angle; var kicktail_angle; var kicknose_radius; var kicktail_radius; var kick_gap; var mold_offset = parameters.mold_offset; var min_cavity_height = 3;//parameters.min_cavity_height; var thickness = 0.4375; var bolt_pattern_width = 1.625; var bolt_pattern_length = 2.125; var nose_transition_length; var tail_transition_length; nose_transition_length = parameters.transition_length; tail_transition_length = parameters.transition_length; var mold_length; var mold_width; var mold_height; var max_cav_height; var low_point; var new_cav_base var contour_res = parameters.contour_res; var tub_concave = parameters.tub_concave; var flat_width = parameters.flat_width; //var tub_angle = parameters.tub_angle; var tub_radius = parameters.tub_radius; width = parameters.width; wheelbase = parameters.wheelbase; tail_length = parameters.tail_length; nose_length = parameters.nose_length; nose_shape = parameters.nose_adjust/100; tail_shape = parameters.tail_adjust/100; taperN = parameters.taperN; taperT = parameters.taperT; noseLipX = parameters.noseLipX; noseLipY = parameters.noseLipY; noseY = parameters.noseY; tailLipX = parameters.tailLipX; tailLipY = parameters.tailLipY; tailY = parameters.tailY; make_cutouts = parameters.make_cutouts; var make_contours = parameters.show_contours; var kcRes = parseFloat(parameters.kcRes); var a = 1; var loopCheck = false; //to track if we are showing both molds var modelArray = []; var boardDisplay = false; if (display=='0') { boardDisplay = true; mold_offset = 0.4375; } if (showProfile == true) { if (show_uncut == false){ if (make_cutouts == false) { skateboard = make_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, nose_shape, tail_shape, depth); } else { skateboard = make_lb_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, depth, noseLipX, noseLipY, noseY, tailLipX, tailLipY, tailY) } } else { skateboard = make_profile_uncut(mold_width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, depth, mold_length) } var hole_depth = 6; skateboard = skateboard.subtract(make_wheelbase(bolt_pattern_length, bolt_pattern_width,wheelbase,hole_depth,truck_hole_diameter)); skateboard = color([0,0.99,0.99],skateboard); return skateboard; } while (a==1) { if (loopCheck == true) { //true if we did one iteration (for display ='1') already display = '2'; //make female mold loopCheck == false; //turn off so we don't repeat } if (display=='5' || display=='0') { //make both molds a = 0; //reset counter display = '1'; //make male mold loopCheck = true; //store this so we make female mold in second iteration } a=a+1; //if display isn't 5, end while loop after this iteration if (mold_choice == '0') { concave_drop = parseFloat(parameters.concave_drop); concave_radius = (Math.pow((width/2),2) + Math.pow(concave_drop,2))/(2*concave_drop); if (concave_drop == 0) { tub_concave = false; concave_radius = 0; } kicknose_angle = parameters.kicknose_angle; kicktail_angle = parameters.kicktail_angle; kicknose_radius = parameters.nose_radius; kicktail_radius = parameters.tail_radius; var kick_concave = parameters.kick_concave; if (kick_concave == true) { nose_base_drop = parameters.nose_base_drop; tail_base_drop = parameters.tail_base_drop; } else { nose_base_drop = 0; tail_base_drop = 0; } nose_edge_kick_angle = parameters.nose_edge_kick_angle + kicknose_angle; nose_edge_kick_rad = parameters.nose_edge_kick_rad + kicknose_radius; tail_edge_kick_angle = parameters.tail_edge_kick_angle + kicktail_angle; tail_edge_kick_rad = parameters.tail_edge_kick_rad + kicktail_radius; kick_gap = parseFloat(parameters.kick_gap); // mold_size = parameters.mold_size; } else { switch (mold_choice) { case '1': //street deck concave_drop = 0.375; concave_radius = (Math.pow((width/2),2) + Math.pow(concave_drop,2))/(2*concave_drop); if (concave_drop == 0) { concave_radius = 0; } kicknose_angle = 20; kicktail_angle = 20; kicknose_radius = 6; kicktail_radius = 6; kick_gap = 1; //mold_size = '0'; break; case '2': //dancer concave_drop = 0.125; concave_radius = (Math.pow((width/2),2) + Math.pow(concave_drop,2))/(2*concave_drop); if (concave_drop == 0) { concave_radius = 0; } kicknose_angle = 12; kicktail_angle = 12; kicknose_radius = 6; kicktail_radius = 6; kick_gap = 1; mold_size = '1'; break; case '3': //cruiser concave_drop = 0.25; concave_radius = (Math.pow((width/2),2) + Math.pow(concave_drop,2))/(2*concave_drop); if (concave_drop == 0) { concave_radius = 0; } kicknose_angle = 12; kicktail_angle = 21; kicknose_radius = 6; kicktail_radius = 6; kick_gap = 1; // mold_size = '0'; break; } } kick_to_kick = wheelbase + (2*bolt_pattern_length)+ (2*kick_gap); var kicknose_length = (wheelbase/2) + bolt_pattern_length + nose_length - (kick_to_kick/2); var kicktail_length = (wheelbase/2) + bolt_pattern_length + tail_length - (kick_to_kick/2); var nose_offset = (nose_length - tail_length)/2; var mold_kicknose_length = ((mold_length - kick_to_kick)/2)+nose_offset; var mold_kicktail_length = ((mold_length - kick_to_kick)/2)-nose_offset; var slice_thickness = parseFloat(parameters.resolution); var min_radius = concave_radius; var length = wheelbase + (bolt_pattern_length*2) + tail_length + nose_length; var concave_length = length - (kicktail_length + kicknose_length + nose_transition_length + tail_transition_length); var flat_concave_length = concave_length + nose_transition_length + tail_transition_length; //find kicknose translation parameters var kicknose_hypotenuse = 2*(kicknose_radius*sin(kicknose_angle/2)); var kicknose_radius_length = kicknose_hypotenuse*cos(kicknose_angle/2); var kicknose_radius_height = kicknose_hypotenuse*sin(kicknose_angle/2); //find kicktail translation parameters var kicktail_hypotenuse = 2*(kicktail_radius*sin(kicktail_angle/2)); var kicktail_radius_length = kicktail_hypotenuse*cos(kicktail_angle/2); var kicktail_radius_height = kicktail_hypotenuse*sin(kicktail_angle/2); var number_of_segments = 8; //for transition section resolution var skateboard; var depth = 1; /*depth of profile*/ /* if (display == 0) { /**skateboard = make_concave(concave_radius, thickness, concave_length, width,flat_concave_length).translate([0,0,thickness]);*/ /* if (kicknose_angle !== 0) { skateboard = skateboard.union(make_kicknose_curve(kicknose_radius, thickness, width, kicknose_angle, nose_transition_length, concave_length)); } else { skateboard = skateboard.union(make_concave(concave_radius, thickness, concave_length, width,flat_concave_length).translate([concave_length,0,thickness])); } if (kicktail_angle !== 0) { skateboard = skateboard.union(make_kicktail_curve(kicktail_radius, thickness, width, kicktail_angle, tail_transition_length, concave_length)); } else { skateboard = skateboard.union(make_concave(concave_radius, thickness, concave_length, width,flat_concave_length).translate([-concave_length,0,thickness])); } if (kicknose_angle !== 0) { skateboard = skateboard.union(make_kicknose_section(wheelbase, bolt_pattern_length, nose_length, kicknose_length, kicknose_radius_length, width, kicknose_radius_height, thickness, kicknose_angle, nose_transition_length, concave_length)); } if (kicktail_angle !== 0) { skateboard = skateboard.union(make_kicktail_section(wheelbase, bolt_pattern_length, tail_length, kicktail_length, kicktail_radius_length, width, kicktail_radius_height, thickness, kicktail_angle, tail_transition_length, concave_length)); } if (concave_radius!==0) { if (kicknose_angle !== 0) { skateboard = skateboard.union( ((rotate([0,0,90], make_transition_section(nose_transition_length, thickness, slice_thickness, width, min_radius, number_of_segments)))).translate([concave_length/2+nose_transition_length,0,0])); } if (kicktail_angle !== 0) { skateboard = skateboard.union( ((rotate([0,0,-90], make_transition_section(tail_transition_length, thickness, slice_thickness, width, min_radius, number_of_segments)))).translate([-(concave_length/2+tail_transition_length),0,0])); } } var profile; if (make_cutouts == false) { profile = make_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, nose_shape, tail_shape, 10); } else { profile = make_lb_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, 10, noseLipX, noseLipY, noseY, tailLipX, tailLipY, tailY) } skateboard = skateboard.intersect(profile); } */ if (display == '2' || display == '4') { // 1/27/21 add cavity //adjust parameters for offset: var nose_rad_original = kicknose_radius; var tail_rad_original = kicktail_radius; var nose_base_drop_original = nose_base_drop; var tail_base_drop_original = tail_base_drop; kicknose_radius += mold_offset; kicktail_radius += mold_offset; if (concave_radius !== 0 ) { concave_radius += mold_offset; min_radius += mold_offset; } if (nose_base_drop !== 0) { var nBR = (Math.pow(nose_base_drop,2)+Math.pow(mold_width/2,2))/(2*nose_base_drop); //kick base radius nBR += mold_offset; nose_base_drop = (-(-2*nBR) - sqrt(Math.pow(2*nBR,2)-(4*1*Math.pow(mold_width/2,2))))/(2); } if (tail_base_drop !== 0) { var tBR = (Math.pow(tail_base_drop,2)+Math.pow(mold_width/2,2))/(2*tail_base_drop); //kick base radius tBR += mold_offset; tail_base_drop = (-(-2*tBR) - sqrt(Math.pow(2*tBR,2)-(4*1*Math.pow(mold_width/2,2))))/(2); } if (kicknose_angle !== 0) { if (kick_concave == false) { kicknose = make_mold_kicknose_curve(kicknose_radius, mold_width, kicknose_angle, nose_transition_length, concave_length, kicknose_length); } else { //bt edit 3/29 kicknose = make_concave_kick_offset(mold_width, nose_rad_original, kicknose_angle, nose_base_drop_original, nose_edge_kick_rad, nose_edge_kick_angle, mold_kicknose_length, mold_height-mold_offset, kcRes, mold_offset); kicknose = mirror([0,0,1],kicknose); kicknose = rotate([0,0,-90],(kicknose.translate([0,kick_to_kick/2,0]))); } } else { if (tub_concave == true) { kicknose = make_tub_concave(concave_drop, mold_height, mold_kicknose_length+nose_transition_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, true).translate([(mold_kicknose_length+nose_transition_length)/2+concave_length/2,0,0]); } else { kicknose = make_mold_concave(concave_radius, mold_height, mold_kicknose_length+nose_transition_length, mold_width,flat_concave_length).translate([(mold_kicknose_length+nose_transition_length)/2+concave_length/2,0,0]); } } if (kicktail_angle !== 0) { if (kick_concave == false) { kicktail = make_mold_kicktail_curve(kicktail_radius, mold_width, kicktail_angle, tail_transition_length, concave_length, kicktail_length); } else { //bt edit 3/29 kicktail = make_concave_kick_offset(mold_width, tail_rad_original, kicktail_angle, tail_base_drop_original, tail_edge_kick_rad, tail_edge_kick_angle, mold_kicktail_length, mold_height-mold_offset, kcRes, mold_offset); kicktail = mirror([0,0,1],kicktail); kicktail = rotate([0,0,90],(kicktail.translate([0,kick_to_kick/2,0]))); } } else { if (tub_concave == true) { kicktail = make_tub_concave(concave_drop, mold_height, mold_kicktail_length+tail_transition_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, true).translate([-(mold_kicktail_length+tail_transition_length)/2-concave_length/2,0,0]); } else { kicktail = make_mold_concave(concave_radius, mold_height, mold_kicktail_length+tail_transition_length, mold_width,flat_concave_length).translate([-(mold_kicktail_length+tail_transition_length)/2-concave_length/2,0,0]); } } var mold; if (tub_concave == true) { mold = color([0.7,0.7,0.7],make_tub_concave(concave_drop, mold_height, concave_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, true)); } else { mold = color([0.7,0.7,0.7],make_mold_concave(concave_radius, mold_height, concave_length, mold_width, flat_concave_length)); } mold = mold.union(color([.5,.5,.5],kicknose)); mold = mold.union(color([.5,.5,.5],kicktail)); if (concave_radius !== 0) { //BT edit 3/29: added "base drop" parameters var nose_transition if (kicknose_angle!==0){ if (tub_concave == false) { nose_transition = make_mold_transition_section_offset(nose_transition_length, mold_height, slice_thickness, mold_width, min_radius-mold_offset, number_of_segments,model_res,nose_base_drop_original,mold_offset); } else { nose_transition = make_tub_transition_section_offset(nose_transition_length, thickness, slice_thickness, mold_width, width, tub_radius, number_of_segments, model_res, nose_base_drop_original, flat_width, concave_drop, mold_height, tub_res, mold_offset); } } //return nose_transition; var tail_transition if (kicktail_angle!==0) { if (tub_concave == false) { tail_transition = mirror([1,0,0], make_mold_transition_section_offset(tail_transition_length, mold_height, slice_thickness, mold_width, min_radius-mold_offset, number_of_segments,model_res,tail_base_drop_original,mold_offset)); } else { tail_transition = mirror([1,0,0], make_tub_transition_section_offset(tail_transition_length, thickness, slice_thickness, mold_width, width, tub_radius, number_of_segments, model_res, tail_base_drop_original, flat_width, concave_drop, mold_height, tub_res, mold_offset)); } } if (kicknose_angle !== 0) { nose_transition = nose_transition.translate([concave_length/2+nose_transition_length,0,0]); } if (kicktail_angle !== 0) { tail_transition = tail_transition.translate([-concave_length/2-tail_transition_length,0,0]); } } // if (kick_concave == false) { if (nose_transition && tail_transition) { mold = [mold, nose_transition, tail_transition]; } else if (nose_transition && (!tail_transition)) { mold = [mold, nose_transition]; } else if (tail_transition && (!nose_transition)) { mold = [mold, tail_transition]; } else { mold = [mold]; } var block = cube({size: [mold_length, mold_width, mold_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,-mold_height/2]); //return block.intersect(mold[3]); for (let i=0;i<mold.length;i++) { mold = block.intersect(mold[i]); } // } if (nose_transition) {mold = mold.union(nose_transition)}; if (tail_transition) {mold = mold.union(tail_transition)}; var edge_eraser_left; var edge_eraser_right; var left_bounds = mold.getBounds()[0].x; var right_bounds = mold.getBounds()[1].x; edge_eraser_left = cube({size: [mold_length, mold_width, mold_height+3], center: true}).translate([0,-mold_width,-mold_height/2]); mold = mold.subtract(edge_eraser_left); edge_eraser_right = cube({size: [mold_length, mold_width, mold_height+3], center: true}).translate([0,mold_width,-mold_height/2]); mold = mold.subtract(edge_eraser_right); if (display == '2') { mold = (cube({size: [mold_length, mold_width, actual_cav_height+1], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,-actual_cav_height/2+0.5])).subtract(mold); mold = mold.union(cube({size: [mold_length, mold_width, actual_cav_height-0.5], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,actual_cav_height/2+0.25])); max_cav_height = mold.getBounds()[1].z - mold.getBounds()[0].z; low_point = mold.getBounds()[0].z; //peak of kicks on female mold new_cav_base = low_point + actual_cav_height; mold = mold.subtract(cube({size: [mold_length, mold_width, max_cav_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,(new_cav_base+(max_cav_height/2))])); } mold = mold.translate([0,0,mold_offset]); skateboard = mold; } else { /*bt edits for troubleshooting var concave_drop = parameters.concave_drop; var tub = make_tub_concave(concave_drop, mold_height, concave_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res); return tub; */ if (kicknose_angle !== 0) { if (kick_concave == false) { kicknose = make_mold_kicknose_curve(kicknose_radius, mold_width, kicknose_angle, nose_transition_length, concave_length, kicknose_length); } else { kicknose = make_concave_kick(mold_width, kicknose_radius, kicknose_angle, nose_base_drop, nose_edge_kick_rad, nose_edge_kick_angle, mold_kicknose_length, mold_height, kcRes, nose_base_drop); kicknose = mirror([0,0,1],kicknose); kicknose = rotate([0,0,-90],(kicknose.translate([0,kick_to_kick/2,0]))); } } else { if (tub_concave == true) { kicknose = make_tub_concave(concave_drop, mold_height, mold_kicknose_length+nose_transition_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, false).translate([(mold_kicknose_length+nose_transition_length)/2+concave_length/2,0,0]); } else { kicknose = make_mold_concave(concave_radius, mold_height, mold_kicknose_length+nose_transition_length, mold_width,flat_concave_length).translate([(mold_kicknose_length+nose_transition_length)/2+concave_length/2,0,0]); } } if (kicktail_angle !== 0) { if (kick_concave == false) { kicktail = make_mold_kicktail_curve(kicktail_radius, mold_width, kicktail_angle, tail_transition_length, concave_length, kicktail_length); } else { kicktail = make_concave_kick(mold_width, kicktail_radius, kicktail_angle, tail_base_drop, tail_edge_kick_rad, tail_edge_kick_angle, mold_kicktail_length, mold_height, kcRes, tail_base_drop); kicktail = mirror([0,0,1],kicktail); kicktail = rotate([0,0,90],(kicktail.translate([0,kick_to_kick/2,0]))); } } else { if (tub_concave == true) { kicktail = make_tub_concave(concave_drop, mold_height, mold_kicktail_length+tail_transition_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, false).translate([-(mold_kicktail_length+tail_transition_length)/2-concave_length/2,0,0]); } else { kicktail = make_mold_concave(concave_radius, mold_height, mold_kicktail_length+tail_transition_length, mold_width,flat_concave_length).translate([-(mold_kicktail_length+tail_transition_length)/2-concave_length/2,0,0]); } } var mold; if (tub_concave == true) { mold = color([0.7,0.7,0.7],make_tub_concave(concave_drop, mold_height, concave_length, mold_width, flat_concave_length, flat_width, tub_radius, width, tub_res, mold_offset, false)); } else { mold = color([0.7,0.7,0.7],make_mold_concave(concave_radius, mold_height, concave_length, mold_width, flat_concave_length)); } mold = mold.union(color([.5,.5,.5],kicknose)); mold = mold.union(color([.5,.5,.5],kicktail)); if (concave_radius !== 0) { var nose_transition if (kicknose_angle!==0){ if (tub_concave == false && kicknose) { nose_transition = make_mold_transition_section_new(nose_transition_length, mold_height, slice_thickness, mold_width, min_radius, number_of_segments,model_res, nose_base_drop); } else { nose_transition = make_tub_transition_section(nose_transition_length, thickness, slice_thickness, mold_width, width, tub_radius, number_of_segments, model_res, nose_base_drop, flat_width, concave_drop, mold_height, tub_res); } } var tail_transition if (kicktail_angle!==0) { if (tub_concave == false) { tail_transition = mirror([1,0,0], make_mold_transition_section_new(tail_transition_length, mold_height, slice_thickness, mold_width, min_radius, number_of_segments,model_res, tail_base_drop)); } else { tail_transition = mirror([1,0,0],make_tub_transition_section(tail_transition_length, thickness, slice_thickness, mold_width, width, tub_radius, number_of_segments, model_res, tail_base_drop, flat_width, concave_drop, mold_height, tub_res)); } } if (kicknose_angle !== 0) { nose_transition = nose_transition.translate([concave_length/2+nose_transition_length,0,0]); } if (kicktail_angle !== 0) { tail_transition = tail_transition.translate([-concave_length/2-tail_transition_length,0,0]); } } //if (kick_concave==false) { if (nose_transition && tail_transition) { mold = [mold, nose_transition, tail_transition]; //removed kicknose and kicktail from all of these 6/7/22 } else if (nose_transition && (!tail_transition)) { mold = [mold, nose_transition]; } else if (tail_transition && (!nose_transition)) { mold = [mold, tail_transition]; } else { mold = [mold]; } var block = cube({size: [mold_length, mold_width, mold_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,-mold_height/2]); //return block.intersect(mold[3]); for (let i=0;i<mold.length;i++) { mold = block.intersect(mold[i]); } //} if (nose_transition) {mold = mold.union(nose_transition)}; if (tail_transition) {mold = mold.union(tail_transition)}; if (display == '3') { mold = (cube({size: [mold_length, mold_width, actual_cav_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,-(actual_cav_height)/2])).subtract(mold); mold = mold.union((cube({size: [mold_length, mold_width, actual_cav_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,(actual_cav_height/2)]))); max_cav_height = mold.getBounds()[1].z - mold.getBounds()[0].z; low_point = mold.getBounds()[0].z; //peak of kicks on female mold new_cav_base = low_point + actual_cav_height; mold = mold.subtract(cube({size: [mold_length, mold_width, max_cav_height], center: true}).translate([(nose_transition_length-tail_transition_length+nose_length-tail_length)/2,0,(new_cav_base+(max_cav_height/2))])); } skateboard = mold; } var mDia = notch_diameter; //notch diameter if (display == '1' || display == '3') { if (make_notches == true) { var notches = make_markers(mold_width, wheelbase, nose_length, tail_length, bolt_pattern_length, mDia, kick_gap, nose_transition_length, tail_transition_length, nose_base_drop, tail_base_drop); skateboard = skateboard.subtract(notches); } skateboard = color([0,0.99,0],skateboard); } if (display == '2' || display == '4') { if (make_notches == true) { skateboard = skateboard.subtract(make_markers(mold_width, wheelbase, nose_length, tail_length, bolt_pattern_length, mDia, kick_gap, nose_transition_length, tail_transition_length, nose_base_drop, tail_base_drop).translate([0,0,mold_offset])); } skateboard = color([0,0.5,0.99],skateboard); } var hole_depth; if (display == '0' || showProfile == true) { hole_depth = 6; skateboard = skateboard.subtract(make_wheelbase(bolt_pattern_length, bolt_pattern_width,wheelbase,hole_depth,truck_hole_diameter)); skateboard = color([0,0.99,0.99],skateboard); } else if ((display !== '0') && (mold_holes == true)) { hole_depth = 3*(mold_height+mold_offset+min_cavity_height); skateboard = skateboard.subtract(make_wheelbase(bolt_pattern_length, bolt_pattern_width,wheelbase,hole_depth,truck_hole_diameter).translate([0,0,-3*(mold_height+mold_offset+min_cavity_height)/2])); } //skateboard = color([0,0.99,0],skateboard); var printLength = parameters.print_length; var printWidth = parameters.print_width; var sectionWidth; if (printWidth >= mold_width) { sectionWidth = mold_width; sectionWidthMoveX = 0; } else { sectionWidth = printWidth; sectionWidthMoveX = sectionWidth/2; } if (display == '2' || display == '4') { var sectionHeight = 2*(mold_height + (mold_offset) + min_cavity_height); switch (printSection) { case 'C': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '1N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '1T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([-printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '2N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([2*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '2T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([-2*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '3N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([3*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case '3T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,sectionHeight], center: true})).translate([-3*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,0])); break; case 'NONE': break; } } else { //max mold size: 16" x 48" using 8" x 8" print area. switch (printSection) { case 'C': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '1N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '1T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([-printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '2N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([2*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '2T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([-2*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '3N': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([3*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case '3T': skateboard = skateboard.intersect(color([0.99,0,0],cube({size:[printLength,sectionWidth,mold_height], center: true})).translate([-3*printLength+(nose_length-tail_length)/2,sectionWidthMoveX,-mold_height/2])); break; case 'NONE': break; } } //console.log('bounds are ' + (skateboard.getBounds()[1].z - skateboard.getBounds()[0].z)) if (make_bores == true) { var bore_oversize = 0.1; //how much longer to make the bore for cleaner cuts if (display == '1' || display == '2') { var bores = make_section_bores(mold_width, mold_length, printLength, printWidth, bore_dia, bore_depth, mold_height, printSection, bore_spacing, nose_length, tail_length, display, bore_oversize); var numberOfBores = bores.length; if (display == '2') { for (var i=0; i<numberOfBores;i++) { bores[i] = bores[i].translate([0,0,mold_height+skateboard.getBounds()[1].z-bore_depth+bore_oversize]); } } if (printSection == 'NONE') { var verticalPlane = CSG.Plane.fromPoints([0,0,0], [5, 0, 1], [-5, 0, 1]); for (var k=0;k<bores.length;k++) { skateboard = skateboard.subtract(bores[k].mirrored(verticalPlane)); } } skateboard = skateboard.subtract(bores); } } modelArray.push(color([0.9,0.95,0.95],skateboard)); } if (boardDisplay == true) { var profile; var extrusion_height; var extrusion_adjust = 0.1; var lower_bound = modelArray[0].getBounds()[0].z; var upper_bound = modelArray[1].getBounds()[1].z; var mold_height_delta = upper_bound - lower_bound; extrusion_height = mold_height_delta; extrusion_height -= extrusion_adjust; //to prevent adjacent faces if (show_uncut == false) { if (make_cutouts == false) { profile = make_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, nose_shape, tail_shape, extrusion_height); } else { profile = make_lb_profile(width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, extrusion_height, noseLipX, noseLipY, noseY, tailLipX, tailLipY, tailY) } } else { profile = make_profile_uncut(mold_width, wheelbase, bolt_pattern_length, nose_length, tail_length, length, taperN, taperT, extrusion_height, mold_length) } profile = profile.translate([0,0,-mold_height+(extrusion_adjust/2)]); profile = profile.subtract(modelArray[1]); profile = profile.subtract(modelArray[0]); hole_depth = 6; profile = profile.subtract(make_wheelbase(bolt_pattern_length, bolt_pattern_width,wheelbase,hole_depth,truck_hole_diameter).translate([0,0,-hole_depth/2])); profile = color([0,0.99,0.99],profile); modelArray = [profile]; } if (make_contours == true) { var top_bound, bottom_bound; for (var i = 0; i<modelArray.length; i++) { if ((modelArray[i-1]==null) || (modelArray[i].getBounds()[1].z > modelArray[i-1].getBounds()[1].z )) { top_bound = modelArray[i].getBounds()[1].z; } if ((modelArray[i-1]==null) || (modelArray[i].getBounds()[0].z < modelArray[i-1].getBounds()[0].z)) { bottom_bound = modelArray[i].getBounds()[0].z; } } var topoStack = topoLayers(mold_length+1, mold_width+1, contour_res, bottom_bound, top_bound, mold_height); //return skateboard; var stackArray = [] for (var j=0;j<topoStack.length;j++) { for (var k = 0; k<modelArray.length;k++) { if (j%2 == 0) { stackArray.push(color([0,0.9,0.99],modelArray[k].intersect(topoStack[j]))); } else { stackArray.push(color([0.9,0.95,0.99],modelArray[k].intersect(topoStack[j]))); } } } modelArray = stackArray; } if (i_display == 2 || i_display == 3) { for (let i=0;i<modelArray.length;i++) { modelArray[i] = color([0.5,0.95,0.9],modelArray[i]); } } return modelArray; //return color([0.9,0.95,0.95],skateboard); } function make_origin(origin) { var result = new CSG(); var height = 20; result = union( cylinder({d: 0.25, h: height, center: true}).translate([0,0,height/2]), union( rotate([-90,0,0],cylinder({d: 0.25, h: height, center: true}).translate([0,0,height/2])), rotate([0,90,0],cylinder({d: 0.25, h: height, center: true}).translate([0,0,height/2])) ) ); return result; } function make_markers(width, wheelbase, nose_length, tail_length, boltL, mDia, kick_gap, noseT, tailT, nose_base_drop, tail_base_drop) { var result = new CSG(); result = sphere({r: mDia/2, center: true}); result = result.translate([(wheelbase/2+boltL+kick_gap+((noseT-tailT)/2)),(width/2),-nose_base_drop]); result = result.union(sphere({r: mDia/2, center: true}).translate([(wheelbase/2+boltL+kick_gap+((noseT-tailT)/2)),-(width/2),-nose_base_drop])); result = result.union(sphere({r: mDia/2, center: true}).translate([-(wheelbase/2+boltL+kick_gap-((noseT-tailT)/2)),-(width/2),-tail_base_drop])); result = result.union(sphere({r: mDia/2, center: true}).translate([-(wheelbase/2+boltL+kick_gap-((noseT-tailT)/2)),(width/2),-tail_base_drop])); return result; } function topoLayers(length,width,thick,bottom_bound,top_bound,moldHeight) { var result = []; var height = top_bound-bottom_bound; var iSteps = height/thick; for (var i=0; i<=iSteps+1;i++){ if (i%2 == 0) { result.push(color([0,0.9,0.99],cube({size: [length,width,thick], center: true})).translate([0,0,i*thick+(bottom_bound)])); } else { result.push(color([.95,0.95,0.99],cube({size: [length,width,thick], center: true})).translate([0,0,i*thick+(bottom_bound)])); } } return result; } function make_bolt_pattern(bolt_pattern_length, bolt_pattern_width, depth, truck_hole_diameter) { var result = new CSG(); result = (cylinder({d: truck_hole_diameter, h: depth, center: false}).translate([bolt_pattern_length/2,bolt_pattern_width/2,0])).union(cylinder({d: truck_hole_diameter, h: depth, center: false}).translate([bolt_pattern_length/2,-bolt_pattern_width/2,0])); result = result.union(cylinder({d: truck_hole_diameter, h: depth, center: false}).translate([-bolt_pattern_length/2,-bolt_pattern_width/2,0])); result = result.union(cylinder({d: truck_hole_diameter, h: depth, center: false}).translate([-bolt_pattern_length/2,bolt_pattern_width/2,0])); return result; } function make_wheelbase(bolt_pattern_length, bolt_pattern_width, wheelbase, depth, truck_hole_diameter) { var result = new CSG(); result = (make_bolt_pattern(bolt_pattern_length,bolt_pattern_width,depth,truck_hole_diameter).translate([(wheelbase/2)+(bolt_pattern_length/2),0,-1])).union(make_bolt_pattern(bolt_pattern_length,bolt_pattern_width,depth,truck_hole_diameter).translate([-((wheelbase/2)+(bolt_pattern_length/2)),0,-1])); return result; } function make_concave(concave_radius, thickness, concave_length, width, flat_concave_length) { var result = new CSG(); if(concave_radius==0){ result = cube({size:[flat_concave_length,width,thickness]}); result = result.translate([-flat_concave_length/2,-width/2,-thickness]); return result; } else{ result= difference( difference( difference( (rotate([90,0,90], difference( cylinder({r: (concave_radius + thickness), h: concave_length, center: true, fn: 500}), cylinder({r: concave_radius, h:concave_length+2, center: true, fn: 500}).translate([0,0,1]))) ).translate([-concave_length/2,0,concave_radius]), cube({size: [concave_length*2, concave_radius*4, concave_radius*4]}).translate([-concave_length, -concave_radius * 2 + 10, concave_radius]) ), cube({size: [concave_length*4, concave_radius*2, concave_radius*2], center: false}).translate([-concave_length*2, width/2, 0]) ), mirror([0,1,0], cube({size: [concave_length*4, concave_radius*2, concave_radius*2], center: false}).translate([-concave_length*2, width/2, 0])) ); return result.translate([concave_length/2,0,0]); } } function make_mold_concave(concave_radius, thickness, concave_length, width, flat_concave_length) { var result = new CSG(); if(concave_radius==0){ result = cube({size:[flat_concave_length,width,thickness]}); result = result.translate([-flat_concave_length/2,-width/2,-thickness]); return result; } else{ result = rotate([90,0,90],cylinder({r: concave_radius, h: concave_length, center: true, fn: 500})).translate([0,0,-concave_radius]); return result; } } function make_tub_concave(concave_drop, thickness, concave_length, mold_width, flat_concave_length, flat_width, tub_rad, deck_width, tub_res, mold_offset, isOffset) { var res = 100; //resolution of bezier curves var x_res = tub_res; /*The following equations were derived on a piece of paper, using tan(tub_angle) = (concave_drop - tub_rad + tub_rad*cos(tub_angle))/(deck_width/2 - flat_width/2 - tub_rad*sin(tub_angle)) and some trig identities: sin^2(x) + cos^2(x) = 1. This website was helpful: https://www.symbolab.com/solver/trigonometric-simplification-calculator */ var a = Math.pow(concave_drop-tub_rad,2)+Math.pow((deck_width/2 - flat_width/2),2); var b = 2*tub_rad*(concave_drop-tub_rad); var c = Math.pow(tub_rad,2)-Math.pow(deck_width/2 - flat_width/2, 2); var tub_angle1 = acos((-b + sqrt(Math.pow(b,2) - 4*a*c))/(2*a)); //var tub_angle2 = acos((-b - sqrt(Math.pow(b,2) - 4*a*c))/(2*a)); var tub_angle = tub_angle1; //update tub rad if female mold: if (isOffset) { tub_rad += mold_offset; } var x_adjust = Math.ceil((flat_width/2)/x_res); var profile = new CSG.Path2D([ [0,0], [x_res*x_adjust,0] ]); var x; for (x=x_res; x<=mold_width/2-flat_width/2; x+=x_res) { //as we move from the flat section to mold edge if (x<=(tub_rad*sin(tub_angle))) { profile = profile.appendPoint([x+(x_res*x_adjust),-(tub_rad-sqrt((pow(tub_rad,2)-pow((x),2))))]); } else { profile = profile.appendPoint([x+(x_res*x_adjust),-((tub_rad - (tub_rad*cos(tub_angle)))+(((x)-tub_rad*sin(tub_angle))*tan(tub_angle)))]); } //console.log(profile); } profile = profile.appendPoints([ [x-x_res+(x_res*x_adjust),-thickness], [0,-thickness] ]); profile = profile.close(); var result = profile.innerToCAG(); result = linear_extrude({height: concave_length}, result); result = result.union(mirror([1,0,0],result)); result = rotate([90,0,90],result); return result.translate([-concave_length/2,0,0]); } function make_kicknose_curve(kicknose_radius, thickness, width, kicknose_angle, nose_transition_length, concave_length) { var result = new CSG(); result = difference( difference( rotate([90,0,90], difference( cylinder({r: kicknose_radius+thickness, h: width, center: false, fn: 100}), cylinder({r: kicknose_radius, h: width+2, center: false, fn: 100}).translate([0,0,-1]) )), rotate([0,0,90], cube({size: [kicknose_radius*2, width*4, kicknose_radius*4], center: false}).translate([-kicknose_radius*2, -width*2, -kicknose_radius-2]) )), mirror([1,0,0], rotate([0, kicknose_angle, -90], cube({size: [kicknose_radius*2, width*4, kicknose_radius*4], center: false}).translate([-kicknose_radius*2, -width*2, -kicknose_radius*2]))) ).translate([0,0,kicknose_radius+thickness]); result = rotate([0,0,-90],(result.translate([-width/2,0,0]))); result = result.translate([concave_length/2+nose_transition_length,0,0]); return result; } function make_kicktail_curve(kicktail_radius, thickness, width, kicktail_angle, tail_transition_length, concave_length) { var result = new CSG(); result = mirror([0,1,0], difference( difference( rotate([90,0,90], difference( cylinder({r: kicktail_radius+thickness, h: width, center: false, fn: 100}), cylinder({r: kicktail_radius, h: width+2, center: false, fn: 100}).translate([0,0,-1]) )), rotate([0,0,90], cube({size: [kicktail_radius*2, width*4, kicktail_radius*4], center: false}).translate([-kicktail_radius*2, -width*2, -kicktail_radius-2]) )), mirror([1,0,0], rotate([0, kicktail_angle, -90], cube({size: [kicktail_radius*2, width*4, kicktail_radius*4], center: false}).translate([-kicktail_radius*2, -width*2, -kicktail_radius*2]))) ).translate([0,0,kicktail_radius+thickness]) ); result = rotate([0,0,-90],(result.translate([-width/2,0,0]))); result = result.translate([-concave_length/2-tail_transition_length,0,0]); return result; } function make_mold_kicknose_curve(kicknose_radius, width, kicknose_angle, nose_transition_length, concave_length, kicknose_length) { var result = new CSG(); result = rotate([90,0,0],cylinder({r: kicknose_radius, h:width, center: false, fn: 500})); result = difference(result,cube({size: [kicknose_radius*2, width*4, kicknose_radius*4]}).translate([-kicknose_radius*2, -width*2, -kicknose_radius-2])) result = result.subtract((rotate([0,kicknose_angle,0], cube({size: [kicknose_length+kicknose_radius, width, kicknose_radius*2], center: false}).translate([0,-width,0])))); result = result.subtract(cube({size: [kicknose_radius+2,width,kicknose_radius], center: false}).translate([0,-width,-kicknose_radius])); result = result.union(rotate([0,kicknose_angle,0],cube({size:[kicknose_length+10,width,kicknose_radius]})).translate([0,-width,0])); result = result.translate([(concave_length/2+nose_transition_length),width/2,-kicknose_radius]); // result = result.intersect((rotate([0,kicknose_angle,0], cube({size: [kicknose_length+10, width, kicknose_radius*4], center: false}))).translate([-(kicknose_length+10)/2,0,0])); //result = result.union((rotate([0,kicknose_angle,0], cube({size: [kicknose_length+10, width, kicknose_radius*2], center: false}))).translate([-(kicknose_length+10)/2,0,0])); return result; } function make_mold_kicktail_curve(kicktail_radius, width, kicktail_angle, tail_transition_length, concave_length, kicktail_length) { var result = new CSG(); result = rotate([90,0,0],cylinder({r: kicktail_radius, h:width, center: false, fn: 500})); result = difference(result,cube({size: [kicktail_radius*2, width*4, kicktail_radius*4]}).translate([-kicktail_radius*2, -width*2, -kicktail_radius-2])) result = result.subtract((rotate([0,kicktail_angle,0], cube({size: [kicktail_length+kicktail_radius, width, kicktail_radius*2], center: false}).translate([0,-width,0])))); result = result.subtract(cube({size: [kicktail_radius+2,width,kicktail_radius], center: false}).translate([0,-width,-kicktail_radius])); result = result.union(rotate([0,kicktail_angle,0],cube({size:[kicktail_length+10,width,kicktail_radius]})).translate([0,-width,0])); result = mirror([1,0,0], result); result = result.translate([(-(concave_length/2+tail_transition_length)),width/2,-kicktail_radius]); //result = result.intersect((rotate([0,kicktail_angle,0], cube({size: [kicktail_length+10, width, kicktail_radius*4], center: false}))).translate([-(kicktail_length+10)/2,0,0])); //result = result.union((rotate([0,kicktail_angle,0], cube({size: [kicktail_length+10, width, kicktail_radius*2], center: false}))).translate([-(kicktail_length+10)/2,0,0])); return result; } function make_kicknose_section(wheelbase, bolt_pattern_length, nose_length, kicknose_length, kicknose_radius_length, width, kicknose_radius_height, thickness, kicknose_angle, nose_transition_length, concave_length) { var result = new CSG(); result = mirror([0,0,1], cube({size: [kicknose_length, width, thickness]})); result = rotate([0,-kicknose_angle,0],result); result = result.translate([concave_length/2+nose_transition_length+kicknose_radius_length,-width/2,kicknose_radius_height+thickness]); return result; } function make_kicktail_section(wheelbase, bolt_pattern_length, tail_length, kicktail_length, kicktail_radius_length, width, kicktail_radius_height, thickness, kicktail_angle, tail_transition_length, concave_length) { var result = new CSG(); result = mirror([0,0,1], cube({size: [kicktail_length, width, thickness]})); result = rotate([0,-kicktail_angle,0],result); result = mirror([1,0,0], result); result = result.translate([-(concave_length/2+tail_transition_length+kicktail_radius_length),-width/2,kicktail_radius_height+thickness]); return result; } /*---- added concave in kicks -----*/ function make_concave_kick(moldWidth, kickRadius, kickAngle, kickBaseDrop, kickRadiusEdge, kickAngleEdge, kickLength, moldHeight, kcRes) { var deckWidth = moldWidth; /* var kickRadius = 4; var kickAngle = 20; var kickBaseDrop = 0.125; var kickTipDrop = 0.25; var kickRadiusEdge = 5; var kickAngleEdge = 21; var kickLength = 7+1; var moldHeight = 4;*/ var y_max = kickLength; var x_max = deckWidth/2; var stepsPerY = 24+kcRes; //how many iterations are done until we move onto next y value var stepsPerX = 8; //how many iterations done until move onto next x value var y_res = y_max/stepsPerY; var x_res= x_max/stepsPerX; var pointArray = []; var subArray =[]; var x; var y; var z; var zRad; //radius of curve from zc to ze var coord; //point coordinates in x,y,z var i; //keep track of iterations var transitionZc; var transitionZe; var transitionYc; var transitionYe; var zc; var ze; for (y=0; y<=y_max; y=y+y_res) { //as we move from kick base to tip if (y<=(kickRadius*sin(kickAngle))) { //get zc and ze first zc = kickRadius-sqrt((pow(kickRadius,2)-pow(y,2))); // get zc in radius section transitionZc = zc; //save last zc before change transitionYc = y; } else { zc = (kickRadius - (kickRadius*cos(kickAngle)))+((y-kickRadius*sin(kickAngle))*tan(kickAngle)); //get zc in stratight section } if (y<=(kickRadiusEdge*sin(kickAngleEdge))) { ze = kickBaseDrop+kickRadiusEdge-sqrt((pow(kickRadiusEdge,2)-pow(y,2))); //ze in radius section transitionZe = ze; //save last ze before change transitionYe = y; } else { ze = (kickBaseDrop+kickRadiusEdge - (kickRadiusEdge*cos(kickAngleEdge)))+((y-kickRadiusEdge*sin(kickAngleEdge))*tan(kickAngleEdge)); //ze in straight section } //now that we have zc and ze, we can find the z values in between, at specific x values for (x=0; x<=x_max; x=x+x_res) { zRad = (pow(x_max,2)+pow((ze-zc),2))/(2*(ze-zc)); //establish the radius of the curve along the x axis z = zc + zRad - sqrt(pow(zRad,2)-pow(x,2)); coord = [x,y,z]; pointArray.push(coord); if (x!==x_max){ if (x+x_res>x_max) { x=x_max-x_res; } } } if (y!==y_max){ if (y+y_res>y_max) { y=y_max-y_res; } } } var finalZc = zc; var finalZe = ze; var triangleArray = []; var a=0; var b=1; var i; var maxTriangleArray = pointArray.length-stepsPerX-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerX+1) { for (a=i;a<(i+stepsPerX);a++) { triangleArray.push([(a),(a+1),(stepsPerX+a+1)]); if ((a+1)<=(i+stepsPerX)) { triangleArray.push([(stepsPerX+a+2),(stepsPerX+a+1),a+1]); } } } var result= polyhedron({ // points: pointArray, // the apex point triangles: triangleArray // two triangles for square base }).setColor(255,255,255); // triangleArray = findDuplicates(triangleArray); var mainPoly = polyhedron({ points: pointArray, triangles: triangleArray }); //side: var yeRadPts = []; var yei; for (yei=0; yei<=(kickRadiusEdge*sin(kickAngleEdge)); yei=(yei+y_res)) { var zei = kickBaseDrop+kickRadiusEdge-sqrt((pow(kickRadiusEdge,2)-pow(yei,2))); yeRadPts.push([x_max,yei,zei]); } transitionZe = (kickBaseDrop+kickRadiusEdge - (kickRadiusEdge*cos(kickAngleEdge)))+((yei-kickRadiusEdge*sin(kickAngleEdge))*tan(kickAngleEdge)); yeRadPts.push([x_max,yei,transitionZe]); var radialSection = yeRadPts.length; yeRadPts.push([x_max,y_max,ze],[x_max,y_max,moldHeight],[x_max,0,moldHeight],[x_max,0,kickBaseDrop]); var yeRadTriangles = []; for (var yej=1; yej<(yeRadPts.length-2); yej++){ yeRadTriangles.push([yej,(yeRadPts.length-1),yej+1]); } var yeRadCAG = polyhedron({ points: yeRadPts, triangles: yeRadTriangles }); //add yeRadTriangles to triangleArray: for (var k=0; k<(yeRadTriangles.length); k++){ yeRadTriangles[k][0]+=pointArray.length; yeRadTriangles[k][1]+=pointArray.length; yeRadTriangles[k][2]+=pointArray.length; } pointArray = pointArray.concat(yeRadPts); triangleArray = triangleArray.concat(yeRadTriangles); /*--------------------------------- yc -------------------*/ /* var ycRadPts = []; var yci; for (yci=0; yci<=(kickRadius*sin(kickAngle)); yci=(yci+y_res)) { var zci = kickRadius-sqrt((pow(kickRadius,2)-pow(yci,2))); ycRadPts.push([0,yci,zci]); } transitionZc = (kickRadius - (kickRadius*cos(kickAngle)))+((yci-kickRadius*sin(kickAngle))*tan(kickAngle)); ycRadPts.push([0,yci,transitionZc]); var radialSectionC = ycRadPts.length; ycRadPts.push([0,y_max,zc],[0,y_max,moldHeight],[0,0,moldHeight],[0,0,0]); var ycRadTriangles = []; for (var ycj=1; ycj<(ycRadPts.length-2); ycj++){ ycRadTriangles.push([ycj+1,(ycRadPts.length-1),ycj]); } var ycRadCAG = polyhedron({ points: ycRadPts, triangles: ycRadTriangles }); //add ycRadTriangles to triangleArray: for (var k=0; k<(ycRadTriangles.length); k++){ ycRadTriangles[k][0]+=pointArray.length; ycRadTriangles[k][1]+=pointArray.length; ycRadTriangles[k][2]+=pointArray.length; } pointArray = pointArray.concat(ycRadPts); triangleArray = triangleArray.concat(ycRadTriangles); /*----------------- tip ---------------*/ var tipRadPts = []; var xti; for (xti=0; xti<=x_max; xti=(xti+x_res)) { var zRadt = (pow(x_max,2)+pow((finalZe-finalZc),2))/(2*(finalZe-finalZc)); //establish the radius of the curve along the x axis var zti = finalZc + zRadt - sqrt(pow(zRadt,2)-pow(xti,2)); tipRadPts.push([xti,y_max,zti]); } tipRadPts.push([x_max,y_max,moldHeight]); var radialSectionTip = tipRadPts.length; tipRadPts.push([0,y_max,moldHeight]); var tipRadTriangles = []; for (var xtj=0; xtj<(tipRadPts.length-2); xtj++){ tipRadTriangles.push([xtj+1,(tipRadPts.length-1),xtj]); } var tipRadCAG = polyhedron({ points: tipRadPts, triangles: tipRadTriangles }); //add ycRadTriangles to triangleArray: for (var k=0; k<(tipRadTriangles.length); k++){ tipRadTriangles[k][0]+=pointArray.length; tipRadTriangles[k][1]+=pointArray.length; tipRadTriangles[k][2]+=pointArray.length; } pointArray = pointArray.concat(tipRadPts); triangleArray = triangleArray.concat(tipRadTriangles); /*----------------- base ---------------*/ var baseRadPts = []; var xbi; var zeInit = kickBaseDrop; var zcInit = 0; for (xbi=0; xbi<=x_max; xbi=(xbi+x_res)) { var zRadb = (pow(x_max,2)+pow((zeInit-zcInit),2))/(2*(zeInit-zcInit)); //establish the radius of the curve along the x axis var zbi = zcInit + zRadb - sqrt(pow(zRadb,2)-pow(xbi,2)); baseRadPts.push([xbi,0,zbi]); } baseRadPts.push([x_max,0,moldHeight]); var radialSectionBase = baseRadPts.length; baseRadPts.push([0,0,moldHeight]); var baseRadTriangles = []; for (var xbj=0; xbj<(baseRadPts.length-2); xbj++){ baseRadTriangles.push([xbj,(baseRadPts.length-1),xbj+1]); } var baseRadCAG = polyhedron({ points: baseRadPts, triangles: baseRadTriangles }); //add ycRadTriangles to triangleArray: for (var k=0; k<(baseRadTriangles.length); k++){ baseRadTriangles[k][0]+=pointArray.length; baseRadTriangles[k][1]+=pointArray.length; baseRadTriangles[k][2]+=pointArray.length; } pointArray = pointArray.concat(baseRadPts); triangleArray = triangleArray.concat(baseRadTriangles); /*------- bottom --------*/ var bottomOffset = pointArray.length; pointArray = pointArray.concat( [ [0,0,moldHeight], [0,y_max,moldHeight], [x_max,y_max,moldHeight], [x_max,0,moldHeight]]); triangleArray = triangleArray.concat( [[bottomOffset,bottomOffset+1,bottomOffset+2], [bottomOffset,bottomOffset+2,bottomOffset+3]]); /*------------ bring together --------------*/ triangleArray.push(triangleArray[triangleArray.length-1]); for (var i=0;i<pointArray.length;i++){ for (var k=0;k<=2;k++) { pointArray[i][k] = Math.round((pointArray[i][k])*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(pointArray)); for (let i=0;i<pointArray.length;i++) { finalArray.push([-pointArray[i][0],pointArray[i][1],pointArray[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+pointArray.length,triangleArray[i][0]+pointArray.length,triangleArray[i][2]+pointArray.length]); } var mainPoly = polyhedron({ points: finalArray, polygons: finalTriangleArray }); return mainPoly; } function make_concave_kick_offset(moldWidth, kickRadius, kickAngle, kickBaseDrop, kickRadiusEdge, kickAngleEdge, kickLength, moldHeight, kcRes, offset) { var deckWidth = moldWidth; /* var kickRadius = 4; var kickAngle = 20; var kickBaseDrop = 0.125; var kickTipDrop = 0.25; var kickRadiusEdge = 5; var kickAngleEdge = 21; var kickLength = 7+1; var moldHeight = 4;*/ var y_max = kickLength; var x_max = deckWidth/2; var stepsPerY = 24+kcRes; //how many iterations are done until we move onto next y value var stepsPerX = 8+kcRes; //how many iterations done until move onto next x value var y_res = y_max/stepsPerY; var x_res= x_max/stepsPerX; var pointArray = []; var subArray =[]; var x; var y; var z; var zRad; //radius of curve from zc to ze var coord; //point coordinates in x,y,z var i; //keep track of iterations var transitionZc; var transitionZe; var transitionYc; var transitionYe; var zc; var ze; var offsetArray = []; //array of points that will be offset var xcounter=0; //keeps track whenever we change to a next x value for (y=0; y<=y_max; y=y+y_res) { //as we move from kick base to tip xcounter=0; if (y<=(kickRadius*sin(kickAngle))) { //get zc and ze first zc = kickRadius-sqrt((pow(kickRadius,2)-pow(y,2))); // get zc in radius section transitionZc = zc; //save last zc before change transitionYc = y; } else { zc = (kickRadius - (kickRadius*cos(kickAngle)))+((y-kickRadius*sin(kickAngle))*tan(kickAngle)); //get zc in stratight section } if (y<=(kickRadiusEdge*sin(kickAngleEdge))) { ze = kickBaseDrop+kickRadiusEdge-sqrt((pow(kickRadiusEdge,2)-pow(y,2))); //ze in radius section transitionZe = ze; //save last ze before change transitionYe = y; } else { ze = (kickBaseDrop+kickRadiusEdge - (kickRadiusEdge*cos(kickAngleEdge)))+((y-kickRadiusEdge*sin(kickAngleEdge))*tan(kickAngleEdge)); //ze in straight section } //now that we have zc and ze, we can find the z values in between, at specific x values for (x=0; x<=x_max; x=x+x_res) { xcounter+=1; zRad = (pow(x_max,2)+pow((ze-zc),2))/(2*(ze-zc)); //establish the radius of the curve along the x axis z = zc + zRad - sqrt(pow(zRad,2)-pow(x,2)); coord = [x,y,z]; pointArray.push(coord); if (x!==x_max){ if (x+x_res>x_max) { x=x_max-x_res; } } } if (y!==y_max){ if (y+y_res>y_max) { y=y_max-y_res; } } } var finalZc = zc; var finalZe = ze; var triangleArray = []; var a=0; var b=1; var i; var maxTriangleArray = pointArray.length-stepsPerX-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerX+1) { for (a=i;a<(i+stepsPerX);a++) { triangleArray.push([(a),(a+1),(stepsPerX+a+1)]); if ((a+1)<=(i+stepsPerX)) { triangleArray.push([(stepsPerX+a+2),(stepsPerX+a+1),a+1]); } } } for (let i = 0; i < (pointArray.length); i+=xcounter) { const chunk = pointArray.slice(i, i+xcounter); offsetArray.push(chunk); } //our "offsetArray" is now an array of arrays split whenever we iterate the x value. var offsetPoints = JSON.parse(JSON.stringify(pointArray)); //offsetPoints will be the array of points we offset, while offsetArray is used for keeping track var last_x = -1; var last_y = -1; var last_z = 0; var last_zy = 0; var x_offset, y_offset, z_offset; var phi; //angle of offset point against x axis var beta; //angle of offset point against y axis //the difference from the last point to the current point for generating normals var delta_x; var delta_z; var delta_z; var current_x, current_y, current_z; var j=0; var offsetYePts = []; //offset edge points var offsetYcPts = []; //offset center points var offsetYtPts = []; var offsetTipPts = []; for (let i=0; i < pointArray.length; i++) { //as we move to each point //offset the x value j = i-1; current_x = pointArray[i][0]; // get the current x value current_y = pointArray[i][1]; //get the current y value current_z = pointArray[i][2]; // get the current z value we calculated earlier // to find last_z: if(current_x == 0) { last_z = current_z; //we are at the edge and we want phi to be 0; last_x = -1; } else { last_z = pointArray[j][2]; //the previous point's z value last_x = pointArray[j][0]; //the previous point's x value } delta_x = current_x-last_x; delta_z = current_z-last_z; phi = abs(90-atan(delta_z/delta_x)); if (phi == 90) { phi = 0; //to prevent infinity/NaN } //to find the previous y value and z value when x was the same if (current_y == 0) { last_y = -1; last_zy = current_z; } else if (current_y == y_max){ last_y = y_max-y_res; last_zy = pointArray[i-xcounter][2]; } else { last_y = current_y - y_res; last_zy = pointArray[i-xcounter][2]; } delta_zy = current_z - last_zy; delta_y = current_y - last_y; //along y-axis, not along x beta = abs(90-atan(delta_zy/delta_y)); if (beta == 90) { beta = 0; //to prevent infinity/NaN } /* --------------*/ var x_component = 1/Math.pow(tan(phi),2); var y_component = 1/Math.pow(tan(beta),2); if (!isFinite(x_component)) { x_component=0; } if (!isFinite(y_component)) { y_component=0; } z_offset = sqrt(Math.pow(offset,2)/(x_component+y_component+1)); x_offset = z_offset/tan(phi); y_offset = z_offset/tan(beta); if (!isFinite(x_offset)) { x_offset=0; } if (!isFinite(y_offset)) { y_offset = 0; } if (z_offset == 0) { z_offset=offset; } offsetPoints[i][0] += x_offset; offsetPoints[i][1] += y_offset; offsetPoints[i][2] -= z_offset; if (current_x == x_max) { //ye pts offsetYePts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_x == 0) { //yc pts offsetYcPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == 0) { //transition pts offsetYtPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == y_max) { offsetTipPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } } var offsetPointsGroupedRef = JSON.parse(JSON.stringify(offsetPoints)); var offsetPointsGrouped = []; for (let i = 0; i < (offsetPointsGroupedRef.length); i+=xcounter) { const chunk = offsetPointsGroupedRef.slice(i, i+xcounter); offsetPointsGrouped.push(chunk); } /*--------- ye -------------*/ offsetYePts.push([x_max,y_max,moldHeight],[x_max,0,moldHeight]); var offsetYeTriangles = []; for (i=0; i<(offsetYePts.length-2);i++) { offsetYeTriangles.push([i,offsetYePts.length-1,i+1]); } for (var k=0; k<offsetYeTriangles.length; k++){ offsetYeTriangles[k][0]+=offsetPoints.length; offsetYeTriangles[k][1]+=offsetPoints.length; offsetYeTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYePts); triangleArray = triangleArray.concat(offsetYeTriangles); /*--------- yc --------------*/ /*offsetYcPts.push([0,y_max,moldHeight],[0,0,moldHeight]); var offsetYcTriangles = []; for (i=0; i<(offsetYcPts.length-2);i++) { offsetYcTriangles.push([offsetYcPts.length-1,i,i+1]); } for (var k=0; k<offsetYcTriangles.length; k++){ offsetYcTriangles[k][0]+=offsetPoints.length; offsetYcTriangles[k][1]+=offsetPoints.length; offsetYcTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYcPts); triangleArray = triangleArray.concat(offsetYcTriangles); /*--------- transition ----------*/ offsetYtPts.push([x_max,0,moldHeight],[0,0,moldHeight]); var offsetYtTriangles = []; for (i=0; i<(offsetYtPts.length-2);i++) { offsetYtTriangles.push([i,offsetYtPts.length-1,i+1]); } for (var k=0; k<offsetYtTriangles.length; k++){ offsetYtTriangles[k][0]+=offsetPoints.length; offsetYtTriangles[k][1]+=offsetPoints.length; offsetYtTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYtPts); triangleArray = triangleArray.concat(offsetYtTriangles); /*--------- tip ---------------*/ offsetTipPts.push([x_max,y_max,moldHeight],[0,y_max,moldHeight]); var offsetTipTriangles = []; for (i=0; i<(offsetTipPts.length-2);i++) { offsetTipTriangles.push([offsetTipPts.length-1,i,i+1]); } for (var k=0; k<offsetTipTriangles.length; k++){ offsetTipTriangles[k][0]+=offsetPoints.length; offsetTipTriangles[k][1]+=offsetPoints.length; offsetTipTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetTipPts); triangleArray = triangleArray.concat(offsetTipTriangles); /*---------- bottom ------------*/ var bottomPts = [[0,0,moldHeight],[x_max,0,moldHeight],[x_max,y_max,moldHeight],[0,y_max,moldHeight]]; bottomTriangles = [[0,2,1],[0,3,2]]; for (var k=0; k<bottomTriangles.length; k++){ bottomTriangles[k][0]+=offsetPoints.length; bottomTriangles[k][1]+=offsetPoints.length; bottomTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(bottomPts); triangleArray = triangleArray.concat(bottomTriangles); /*------------ bring together --------------*/ for (var i=0;i<offsetPoints.length;i++){ for (var k=0;k<=2;k++) { offsetPoints[i][k] = Math.round((offsetPoints[i][k])*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(offsetPoints)); for (let i=0;i<offsetPoints.length;i++) { finalArray.push([-offsetPoints[i][0],offsetPoints[i][1],offsetPoints[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+offsetPoints.length,triangleArray[i][0]+offsetPoints.length,triangleArray[i][2]+offsetPoints.length]); } var resultOffset = polyhedron({ points: finalArray, polygons: finalTriangleArray }); return resultOffset.translate([0,0,offset]); } function make_transition_section(transition_length, thickness, slice_thickness, width, min_radius, number_of_segments) { var result = new CSG(); var number_of_steps = transition_length/slice_thickness; var concave_depth = (2*min_radius-sqrt(pow(2*min_radius,2)-(4*1*pow(width,2)/4)))/(2*1); var mid_depth = concave_depth/2; var mid_radius = (pow(mid_depth,2)+(pow(width,2)/4))/(2*mid_depth); // var max_radius = pow(mid_radius,2); //if poor transition, uncomment the following and comment the above: var max_radius = 6*mid_radius; var correction = mid_radius; var radius_range = max_radius - min_radius; var radius_offset = min_radius; var sub_radius_range = (max_radius+thickness) - (min_radius+thickness); var sub_radius_offset = min_radius+thickness; //y values for edges of arc var normal_y = ((2*min_radius)-Math.sqrt(Math.pow(2*min_radius,2)-(4*Math.pow((width/2),2))))/(2); //concave depth var flat_y = 0; //no concave //1/16/21 EDIT: change to cubic Bezier curve // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 var i_size = i_range/number_of_steps; //change in x value per change in step var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier a = a+i_size; //prevent dividing by 0 var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; var y0 = 0; var y1 = 0; var y2 = concave_depth; var y3 = concave_depth; var slice_adj = 0; var x_val_last = 0; for (var i = a; i < (i_range+i_size); i=i+i_size) //starting at 0, going until 1, increment at i_size { /* if (i < 0) { var y_val = normal_y+((flat_y-normal_y)/(1+Math.exp(i*1.25))); } else { var y_val = normal_y+((flat_y-normal_y)/(1+Math.exp(i))); } */ // 1/16/21 EDIT: Bezier curve: var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); var reg_radius = (Math.pow((width/2),2) + Math.pow(y_val,2))/(2*y_val); var reg_half_angle = Math.round(asin((width/2)/reg_radius)*10000)/10000; var reg_segment_angle = reg_half_angle/number_of_segments; var sub_radius = reg_radius+thickness; var sub_half_angle = asin((width/2)/sub_radius); var sub_segment_angle = sub_half_angle/number_of_segments; result = result.union( linear_extrude({height: x_val-x_val_last, center: false}, polygon({ //currently set up for 20 segments per full arc: points: [ [(sub_radius*sin(sub_segment_angle*0)),(sub_radius*cos(sub_segment_angle*0))], [(sub_radius*sin(sub_segment_angle*1)),(sub_radius*cos(sub_segment_angle*1))], [(sub_radius*sin(sub_segment_angle*2)),(sub_radius*cos(sub_segment_angle*2))], [(sub_radius*sin(sub_segment_angle*3)),(sub_radius*cos(sub_segment_angle*3))], [(sub_radius*sin(sub_segment_angle*4)),(sub_radius*cos(sub_segment_angle*4))], [(sub_radius*sin(sub_segment_angle*5)),(sub_radius*cos(sub_segment_angle*5))], [(sub_radius*sin(sub_segment_angle*6)),(sub_radius*cos(sub_segment_angle*6))], [(sub_radius*sin(sub_segment_angle*7)),(sub_radius*cos(sub_segment_angle*7))], [(sub_radius*sin(sub_segment_angle*8)),(sub_radius*cos(sub_segment_angle*8))], [(sub_radius*sin(sub_segment_angle*9)),(sub_radius*cos(sub_segment_angle*9))], [(sub_radius*sin(sub_segment_angle*10)),(sub_radius*cos(sub_segment_angle*10))], [(reg_radius*sin(reg_segment_angle*10)),(reg_radius*cos(reg_segment_angle*10))], [(reg_radius*sin(reg_segment_angle*9)),(reg_radius*cos(reg_segment_angle*9))], [(reg_radius*sin(reg_segment_angle*8)),(reg_radius*cos(reg_segment_angle*8))], [(reg_radius*sin(reg_segment_angle*7)),(reg_radius*cos(reg_segment_angle*7))], [(reg_radius*sin(reg_segment_angle*6)),(reg_radius*cos(reg_segment_angle*6))], [(reg_radius*sin(reg_segment_angle*5)),(reg_radius*cos(reg_segment_angle*5))], [(reg_radius*sin(reg_segment_angle*4)),(reg_radius*cos(reg_segment_angle*4))], [(reg_radius*sin(reg_segment_angle*3)),(reg_radius*cos(reg_segment_angle*3))], [(reg_radius*sin(reg_segment_angle*2)),(reg_radius*cos(reg_segment_angle*2))], [(reg_radius*sin(reg_segment_angle*1)),(reg_radius*cos(reg_segment_angle*1))], [(reg_radius*sin(reg_segment_angle*0)),(reg_radius*cos(reg_segment_angle*0))] ] })).translate([0,-sub_radius,x_val_last]) ); x_val_last = x_val; slice_adj = slice_adj + slice_thickness; } result = result.union(mirror([1,0,0],result)); result = rotate([-90,0,0],result); return result; } function make_mold_transition_section(transition_length, thickness, slice_thickness, width, min_radius, number_of_segments) { var result = new CSG(); var number_of_steps = transition_length/slice_thickness; var concave_depth = (2*min_radius-sqrt(pow(2*min_radius,2)-(4*1*pow(width,2)/4)))/(2*1); var mid_depth = concave_depth/2; var mid_radius = (pow(mid_depth,2)+(pow(width,2)/4))/(2*mid_depth); // var max_radius = pow(mid_radius,2); //if poor transition, uncomment the following and comment the above: var max_radius = 6*mid_radius; var correction = mid_radius; var radius_range = max_radius - min_radius; var radius_offset = min_radius; var sub_radius_range = (max_radius+thickness) - (min_radius+thickness); var sub_radius_offset = min_radius+thickness; //y values for edges of arc var normal_y = ((2*min_radius)-Math.sqrt(Math.pow(2*min_radius,2)-(4*Math.pow((width/2),2))))/(2); var flat_y = 0; //for start and end tangency, plot hollow cylindrical arcs as a sigmoid function... y = 1/(1+e^x). Adjust for the radius size (multiply by the range), then offset for the minimum (add min_radius) //1/16/21 EDIT: change to cubic Bezier curve // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 var i_size = i_range/number_of_steps; //change in x value per change in step //console.log('# steps = ' +number_of_steps); //console.log('i_size = '+i_size); var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier a = a+i_size; //prevent dividing by 0 var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; var y0 = 0; var y1 = 0; var y2 = concave_depth; var y3 = concave_depth; var slice_adj = 0; var x_val_last = 0; for (var i = a; i < (i_range+i_size); i=i+i_size) //starting at 0, going until 1, increment at i_size { /*if (i < 0) { var y_val = normal_y+((flat_y-normal_y)/(1+Math.exp(i*1.25))); } else { var y_val = normal_y+((flat_y-normal_y)/(1+Math.exp(i))); }*/ //(x - h)^2 + (y - k)^2 = R^2, where (h,k) is the center of the concave circle //we know h = 0, since it is in line with the bottom of the circle //we know two points: (0,0) and (width/2,y_val) //Two equations: //(0 - 0)^2 + (0 - k)^2 = R^2 // ---> k = R //(width/2 - 0)^2 + (y_val - R)^2 = R^2 //(width/2)^2 + y_val^2 - 2R*y_val = 0 //2R*y_val = (width/2)^2 + y_val^2 // 1/16/21 EDIT: Bezier curve: var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); var reg_radius = (Math.pow((width/2),2) + Math.pow(y_val,2))/(2*y_val); // console.log("reg_radius is "); //var reg_radius = radius_offset+(radius_range/(1+Math.exp(i))); var reg_half_angle = asin((width/2)/reg_radius); var reg_segment_angle = reg_half_angle/number_of_segments; //console.log("half angle is "); // console.log(reg_half_angle); result = result.union( linear_extrude({height: x_val-x_val_last, center: false}, polygon({ //currently set up for 20 segments per full arc: points: [ /*[Math.round((reg_radius*sin(reg_segment_angle*12))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*12))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*11))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*11))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*10))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*10))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*9))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*9))*100000000000)/100000000000],*/ [Math.round((reg_radius*sin(reg_segment_angle*8))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*8))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*7))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*7))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*6))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*6))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*5))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*5))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*4))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*4))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*3))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*3))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*2))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*2))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*1))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*1))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*0))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*0))*100000000000)/100000000000], [Math.round((reg_radius*sin(reg_segment_angle*0))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*0))*100000000000)/100000000000-5], [Math.round((reg_radius*sin(reg_segment_angle*8))*100000000000)/100000000000,Math.round((reg_radius*cos(reg_segment_angle*8))*100000000000)/100000000000-5] /* [(reg_radius*sin(reg_segment_angle*10)),(reg_radius*cos(reg_segment_angle*10))], [(reg_radius*sin(reg_segment_angle*9)),(reg_radius*cos(reg_segment_angle*9))], [(reg_radius*sin(reg_segment_angle*8)),(reg_radius*cos(reg_segment_angle*8))], [(reg_radius*sin(reg_segment_angle*7)),(reg_radius*cos(reg_segment_angle*7))], [(reg_radius*sin(reg_segment_angle*6)),(reg_radius*cos(reg_segment_angle*6))], [(reg_radius*sin(reg_segment_angle*5)),(reg_radius*cos(reg_segment_angle*5))], [(reg_radius*sin(reg_segment_angle*4)),(reg_radius*cos(reg_segment_angle*4))], [(reg_radius*sin(reg_segment_angle*3)),(reg_radius*cos(reg_segment_angle*3))], [(reg_radius*sin(reg_segment_angle*2)),(reg_radius*cos(reg_segment_angle*2))], [(reg_radius*sin(reg_segment_angle*1)),(reg_radius*cos(reg_segment_angle*1))], [(reg_radius*sin(reg_segment_angle*0)),(reg_radius*cos(reg_segment_angle*0))], [(reg_radius*sin(reg_segment_angle*0)),(reg_radius*cos(reg_segment_angle*0))-(5)], [(reg_radius*sin(reg_segment_angle*10)),(reg_radius*cos(reg_segment_angle*10))-(5)]*/ ] })).translate([0,-reg_radius,x_val_last]) //each slice is slice_thickness wide, so move that much each time ); x_val_last = x_val; slice_adj = slice_adj + slice_thickness; //console.log("i is " + i); } result = result.union(mirror([1,0,0],result)); result = rotate([90,0,-90],result); result = result.translate([0,0,0]); return result; } function make_mold_transition_section_new(transition_length, thickness, slice_thickness, width, min_radius, number_of_segments,model_res, kick_base_drop) { var section_depth=thickness; var y_max = transition_length; var x_max = width/2; var concave_depth = (2*min_radius-sqrt(pow(2*min_radius,2)-(4*1*pow(width,2)/4)))/(2*1); var stepsPerY = model_res; //how many iterations are done until we move onto next y value var stepsPerX = model_res; //how many iterations done until move onto next x value var xStepSize = x_max/stepsPerX; // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 //the direction of i is the direction of y var i_size = i_range/stepsPerY; var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; var y0 = kick_base_drop; var y1 = kick_base_drop; var y2 = concave_depth; var y3 = concave_depth; var z; var slice_adj = 0; var x_val_last = 0; var transition_points = []; if (kick_base_drop == 0){ a = a+i_size; //prevent dividing by 0 for (var i=0; i <= x_max; i=i+xStepSize) { transition_points.push([i,0,0]); } } var concave_array = []; /*this is the last array of points along the x-axis (width) before the concave section*/ var kick_array= []; /*this is the first array of points along the x-axis (y=0), needed for kick base drop*/ var bezier_array = [[width/2,0,0]]; /*array of points along edge of bezier curve*/ for (var i = a; i < (i_range+i_size); i=i+i_size) //starting at 0, going until 1, increment at i_size { var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); //actually the position along y var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); //actually the z height var reg_radius = (Math.pow((width/2),2) + Math.pow(y_val,2))/(2*y_val); var reg_half_angle = asin((width/2)/reg_radius); var reg_segment_angle = reg_half_angle/stepsPerX/2; var counter = 0; for (var j=0; j <= x_max; j=j+xStepSize) { z = Math.round(tan(reg_segment_angle*counter)*(j)*1000)/1000; transition_points.push([j,x_val,z]); if (t==0) { kick_array.push([j,x_val,z]); } if (t==1) { concave_array.push([j,x_val,z]); } if (j == x_max) { bezier_array.push([j,x_val,z]); } counter++; } } var triangleArray = []; var c=0; var b=1; var i; var maxTriangleArray = transition_points.length-stepsPerX-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerX+1) { for (c=i;c<(i+stepsPerX);c++) { triangleArray.push([(c),(c+1),(stepsPerX+c+1)]); if ((c+1)<=(i+stepsPerX)) { triangleArray.push([(stepsPerX+c+2),(stepsPerX+c+1),c+1]); } } } /*var result1= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }); */ /* ------------ kick side --------*/ if (kick_base_drop !== 0) { var kick_side_points = kick_array; /*get just the points along the curve, which will vary with resolution.*/ var kick_array_length = kick_side_points.length; kick_array.push([0,0,section_depth]); kick_array.push([width/2,0,section_depth]); var kickSideTriangles = []; for (var j=0; j<kick_array_length-1; j++) { kickSideTriangles.push([j+1,j,kick_array_length]); } kickSideTriangles.push([kick_array_length-1,kick_array.length-2,kick_array.length-1]); for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=transition_points.length; kickSideTriangles[k][1]+=transition_points.length; kickSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(kick_array); triangleArray = triangleArray.concat(kickSideTriangles); } else { var kickSidePoints = [ [0,0,0], [width/2,0,0], [0,0,section_depth], [width/2,0,section_depth] ]; var kickSideTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=transition_points.length; kickSideTriangles[k][1]+=transition_points.length; kickSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(kickSidePoints); triangleArray = triangleArray.concat(kickSideTriangles); } /* var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor(255,255,255); return result; */ /* ------------ center of transition section --------*/ /*var transitionCenterPoints = [ [0,0,0], [0,transition_length,0], [0,0,section_depth], [0,transition_length,section_depth] ]; var transitionCenterTriangles = [ [0,1,2], [1,3,2] ]; for (var k=0; k<(transitionCenterTriangles.length); k++){ transitionCenterTriangles[k][0]+=transition_points.length; transitionCenterTriangles[k][1]+=transition_points.length; transitionCenterTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(transitionCenterPoints); triangleArray = triangleArray.concat(transitionCenterTriangles); /* var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor(255,255,255); return result;*/ /* ------------ concave end of transition section --------*/ //points are concave_array points, plus the border points, which are added below: var concave_array_curve_points = concave_array; /*get just the points along the curve, which will vary with resolution.*/ var curve_array_length = concave_array_curve_points.length; concave_array.push([0,transition_length,section_depth]); concave_array.push([width/2,transition_length,section_depth]); var concaveSideTriangles = []; for (var j=0; j<curve_array_length-1; j++) { concaveSideTriangles.push([j,j+1,curve_array_length]); } concaveSideTriangles.push([curve_array_length-1,concave_array.length-1,concave_array.length-2]); /* var result=polyhedron({ points: concave_array, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(concaveSideTriangles.length); k++){ concaveSideTriangles[k][0]+=transition_points.length; concaveSideTriangles[k][1]+=transition_points.length; concaveSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(concave_array); triangleArray = triangleArray.concat(concaveSideTriangles); var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor(255,255,255); /* ------------ edge of transition section (along bezier) --------*/ //points are bezier_array points, plus the border points, which are added below: var bezier_array_length = bezier_array.length; /*first, store the value of */ bezier_array.push([width/2,0,section_depth]); bezier_array.push([width/2,transition_length,section_depth]); var bezierTriangles = []; for (var j=0; j<bezier_array_length-1; j++) { bezierTriangles.push([bezier_array_length,j+1,j]); } bezierTriangles.push([bezier_array.length-2,bezier_array.length-1,bezier_array_length-1]); /* var result=polyhedron({ points: concave_array, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(bezierTriangles.length); k++){ bezierTriangles[k][0]+=transition_points.length; bezierTriangles[k][1]+=transition_points.length; bezierTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(bezier_array); triangleArray = triangleArray.concat(bezierTriangles); /* var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor(255,255,255); return result;*/ /* ------------ bottom --------*/ var bottomPoints = [ [0,0,section_depth], [width/2,0,section_depth], [0,transition_length,section_depth], [width/2,transition_length,section_depth] ]; var bottomTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(bottomTriangles.length); k++){ bottomTriangles[k][0]+=transition_points.length; bottomTriangles[k][1]+=transition_points.length; bottomTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(bottomPoints); triangleArray = triangleArray.concat(bottomTriangles); for (let i=0; i<transition_points.length;i++) { for (let j=0; j<3; j++) { transition_points[i][j] = Math.round(transition_points[i][j]*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(transition_points)); for (let i=0;i<transition_points.length;i++) { finalArray.push([-transition_points[i][0],transition_points[i][1],transition_points[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+transition_points.length,triangleArray[i][0]+transition_points.length,triangleArray[i][2]+transition_points.length]); } var result= polyhedron({ // points: finalArray, // triangles: finalTriangleArray // two triangles for square base }).setColor(0.9,0.9,0.9); //result = result.union(mirror([1,0,0],result)); result = rotate([180,0,-90],result); result = result.translate([0,0,0]); return result; //radial transition section } function make_mold_transition_section_offset(transition_length, thickness, slice_thickness, width, min_radius, number_of_segments,model_res, kick_base_drop, offset) { var section_depth=thickness-offset; var y_max = transition_length; var x_max = width/2; var concave_depth = (2*min_radius-sqrt(pow(2*min_radius,2)-(4*1*pow(width,2)/4)))/(2*1); var stepsPerY = model_res; //how many iterations are done until we move onto next y value var stepsPerX = model_res; //how many iterations done until move onto next x value var xStepSize = x_max/stepsPerX; // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 //the direction of i is the direction of y var i_size = i_range/stepsPerY; var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; var y0 = kick_base_drop; var y1 = kick_base_drop; var y2 = concave_depth; var y3 = concave_depth; var z; var slice_adj = 0; var x_val_last = 0; var transition_points = []; if (kick_base_drop == 0){ a = a+i_size; //prevent dividing by 0 for (var i=0; i <= x_max; i=i+xStepSize) { transition_points.push([i,0,0]); } } var concave_array = []; /*this is the last array of points along the x-axis (width) before the concave section*/ var kick_array= []; /*this is the first array of points along the x-axis (y=0), needed for kick base drop*/ var bezier_array = [[width/2,0,0]]; /*array of points along edge of bezier curve*/ var offsetArray = []; //array of points that will be offset for (var i = a; i < (i_range+i_size); i=i+i_size) //starting at 0, going until 1, increment at i_size { var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); //actually the position along y var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); //actually the z height var reg_radius = (Math.pow((width/2),2) + Math.pow(y_val,2))/(2*y_val); var reg_half_angle = asin((width/2)/reg_radius); var reg_segment_angle = reg_half_angle/stepsPerX/2; var counter = 0; for (var j=0; j <= x_max; j=j+xStepSize) { z = Math.round(tan(reg_segment_angle*counter)*(j)*1000)/1000; transition_points.push([j,x_val,z]); if (t==0) { kick_array.push([j,x_val,z]); } if (t==1) { concave_array.push([j,x_val,z]); } if (j == x_max) { bezier_array.push([j,x_val,z]); } counter++; } } var triangleArray = []; var c=0; var b=1; var i; var maxTriangleArray = transition_points.length-stepsPerX-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerX+1) { for (c=i;c<(i+stepsPerX);c++) { triangleArray.push([(c),(c+1),(stepsPerX+c+1)]); if ((c+1)<=(i+stepsPerX)) { triangleArray.push([(stepsPerX+c+2),(stepsPerX+c+1),c+1]); } } } for (let i = 0; i < (transition_points.length); i+=(counter)) { const chunk = transition_points.slice(i, i+(counter)); offsetArray.push(chunk); } console.log(transition_points); var mainPoly = polyhedron({ // points: transition_points, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.9,0.9,0.9]); var shiftedPoly = (polyhedron({ // points: transition_points, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.9,0.2,0.2])).translate([0,0,-offset]); /*var result1= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }); */ //our "offsetArray" is now an array of arrays split whenever we iterate the x value. var y_max=transition_length; var offsetPoints = JSON.parse(JSON.stringify(transition_points)); //offsetPoints will be the array of points we offset, while offsetArray is used for keeping track var last_x = -1; var last_y = -1; var last_z = 0; var last_zy = 0; var x_offset, y_offset, z_offset; var phi; //angle of offset point against x axis var beta; //angle of offset point against y axis //the difference from the last point to the current point for generating normals var delta_x; var delta_z; var delta_z; var current_x, current_y, current_z; var j=0; var offsetYePts = []; //offset edge points var offsetYcPts = []; //offset center points var offsetYtPts = []; var offsetTipPts = []; var last_y=-1; for (let i=0; i < transition_points.length; i++) { //as we move to each point //offset the x value j = i-1; current_x = transition_points[i][0]; // get the current x value current_y = transition_points[i][1]; //get the current y value current_z = transition_points[i][2]; // get the current z value we calculated earlier // to find last_z: if(current_x == 0) { last_z = current_z; //we are at the edge and we want phi to be 0; last_x = -1; } else { last_z = transition_points[j][2]; //the previous point's z value last_x = transition_points[j][0]; //the previous point's x value } delta_x = current_x-last_x; delta_z = current_z-last_z; phi = abs(90-atan(delta_z/delta_x)); if (phi == 90) { phi = 0; //to prevent infinity/NaN } //to find the previous y value and z value when x was the same if (current_y == 0) { last_y = -1; last_zy = current_z; } else if (current_y == y_max){ last_y = transition_points[i-counter][1]; last_zy = current_z; /*console.log('current zy and last zy is ' + current_z + ' ' + last_zy); console.log('current zx and last zx is ' + current_z + ' ' + last_z);*/ } else { last_y = transition_points[i-counter][1]; last_zy = transition_points[i-counter][2]; } delta_zy = current_z - last_zy; delta_y = current_y - last_y; //along y-axis, not along x beta = abs(atan(delta_zy/delta_y)); if (beta == 90) { beta = 0; //to prevent infinity/NaN } /*if (current_y == y_max){ console.log('phi and beta'); console.log(phi); console.log(beta); }*/ /* --------------*/ var x_component = 1/Math.pow(tan(phi),2); var y_component = Math.pow(tan(beta),2); if (!isFinite(x_component)) { x_component=0; } if (!isFinite(y_component)) { y_component=0; } z_offset = sqrt(Math.pow(offset,2)/(x_component+y_component+1)); x_offset = z_offset/tan(phi); y_offset = z_offset*tan(beta); if (!isFinite(x_offset)) { x_offset=0; } if (!isFinite(y_offset)) { y_offset = 0; } if (z_offset == 0) { z_offset=offset; } offsetPoints[i][0] += x_offset; offsetPoints[i][1] += y_offset; offsetPoints[i][2] -= z_offset; console.log('x and y'); console.log(current_x + ' ' + current_y); console.log('phi and beta'); console.log(phi + ' ' + beta); console.log('offset points:'); console.log(offsetPoints[i]); if (current_x == x_max) { //ye pts offsetYePts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_x == 0) { //yc pts offsetYcPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == 0) { //transition pts offsetYtPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == y_max) { offsetTipPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } last_y=current_y; } var offsetPointsGroupedRef = JSON.parse(JSON.stringify(offsetPoints)); var offsetPointsGrouped = []; for (let i = 0; i < (offsetPointsGroupedRef.length); i+=counter) { const chunk = offsetPointsGroupedRef.slice(i, i+counter); offsetPointsGrouped.push(chunk); } console.log(offsetPoints); //findme var testPoly = polyhedron({ // points: offsetPoints, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.9,0.9,0.9]); // return [color([0.1,0.8,0.95],testPoly),mainPoly, shiftedPoly]; /* ------------ kick end --------*/ if (kick_base_drop !== 0) { var kick_side_points = offsetYtPts; /*get just the points along the curve, which will vary with resolution.*/ var kick_array_length = kick_side_points.length; offsetYtPts.push([0,0,section_depth]); offsetYtPts.push([width/2,0,section_depth]); var kickSideTriangles = []; for (var j=0; j<kick_array_length-1; j++) { kickSideTriangles.push([j+1,j,kick_array_length]); } kickSideTriangles.push([kick_array_length-1,offsetYtPts.length-2,offsetYtPts.length-1]); for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=offsetPoints.length; kickSideTriangles[k][1]+=offsetPoints.length; kickSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYtPts); triangleArray = triangleArray.concat(kickSideTriangles); } else { var kickSidePoints = [ [0,0,-offset], [width/2,0,-offset], [0,0,section_depth], [width/2,0,section_depth] ]; var kickSideTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=offsetPoints.length; kickSideTriangles[k][1]+=offsetPoints.length; kickSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(kickSidePoints); triangleArray = triangleArray.concat(kickSideTriangles); } /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor(0.5,0.9,0.95); return result; */ /* ------------ center of transition section --------*/ /* var transitionCenterPoints = [ [0,0,-offset], [0,transition_length,-offset], [0,0,section_depth], [0,transition_length,section_depth] ]; var transitionCenterTriangles = [ [0,1,2], [1,3,2] ]; for (var k=0; k<(transitionCenterTriangles.length); k++){ transitionCenterTriangles[k][0]+=offsetPoints.length; transitionCenterTriangles[k][1]+=offsetPoints.length; transitionCenterTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(transitionCenterPoints); triangleArray = triangleArray.concat(transitionCenterTriangles); /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor(0.5,0.5,0.99); return result; */ /* ------------ concave end of transition section --------*/ //points are concave_array points, plus the border points, which are added below: var concave_array_curve_points = offsetTipPts; /*get just the points along the curve, which will vary with resolution.*/ var curve_array_length = concave_array_curve_points.length; offsetTipPts.push([0,transition_length,section_depth]); offsetTipPts.push([width/2,transition_length,section_depth]); var concaveSideTriangles = []; for (var j=0; j<curve_array_length-1; j++) { concaveSideTriangles.push([j,j+1,curve_array_length]); } concaveSideTriangles.push([curve_array_length-1,offsetTipPts.length-1,offsetTipPts.length-2]); /* var result=polyhedron({ points: offsetTipPts, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(concaveSideTriangles.length); k++){ concaveSideTriangles[k][0]+=offsetPoints.length; concaveSideTriangles[k][1]+=offsetPoints.length; concaveSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetTipPts); triangleArray = triangleArray.concat(concaveSideTriangles); /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor(0.5,0.95,0.99); return result; */ /* ------------ edge of transition section (along bezier) --------*/ //points are bezier_array points, plus the border points, which are added below: var bezier_array_length = offsetYePts.length; /*first, store the value of */ offsetYePts.push([width/2,0,section_depth]); offsetYePts.push([width/2,transition_length,section_depth]); var bezierTriangles = []; for (var j=0; j<bezier_array_length-1; j++) { bezierTriangles.push([bezier_array_length,j+1,j]); } bezierTriangles.push([offsetYePts.length-2,offsetYePts.length-1,bezier_array_length-1]); /* var result=polyhedron({ points: offsetTipPts, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(bezierTriangles.length); k++){ bezierTriangles[k][0]+=offsetPoints.length; bezierTriangles[k][1]+=offsetPoints.length; bezierTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYePts); triangleArray = triangleArray.concat(bezierTriangles); /* var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor(0.8,0.99,0.99); return result;*/ /* ------------ bottom --------*/ var bottomPoints = [ [0,0,section_depth], [width/2,0,section_depth], [0,transition_length,section_depth], [width/2,transition_length,section_depth] ]; var bottomTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(bottomTriangles.length); k++){ bottomTriangles[k][0]+=offsetPoints.length; bottomTriangles[k][1]+=offsetPoints.length; bottomTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(bottomPoints); triangleArray = triangleArray.concat(bottomTriangles); for (let i=0; i<offsetPoints.length;i++) { for (let j=0; j<3; j++) { offsetPoints[i][j] = Math.round(offsetPoints[i][j]*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(offsetPoints)); for (let i=0;i<offsetPoints.length;i++) { finalArray.push([-offsetPoints[i][0],offsetPoints[i][1],offsetPoints[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+offsetPoints.length,triangleArray[i][0]+offsetPoints.length,triangleArray[i][2]+offsetPoints.length]); } var result= polyhedron({ // points: finalArray, // triangles: finalTriangleArray // two triangles for square base }).setColor(0.9,0.9,0.9); //result = result.union(mirror([1,0,0],result)); result = rotate([180,0,-90],result); result = result.translate([0,0,-offset]); return result; //radial transition section offset } function make_tub_transition_section_offset(transition_length, thickness, slice_thickness, width, deck_width, tub_rad, number_of_segments, model_res, kick_base_drop, flat_width, concave_drop, mold_height, tub_res, offset) { var section_depth=mold_height-offset; var y_max = transition_length; var x_max = width/2; var res = 100; //resolution of bezier curves var x_res = tub_res; /*The following equations were derived on a piece of paper, using tan(tub_angle) = (concave_drop - tub_rad + tub_rad*cos(tub_angle))/(deck_width/2 - flat_width/2 - tub_rad*sin(tub_angle)) and some trig identities: sin^2(x) + cos^2(x) = 1. This website was helpful: https://www.symbolab.com/solver/trigonometric-simplification-calculator */ var a = Math.pow(concave_drop-tub_rad,2)+Math.pow((deck_width/2 - flat_width/2),2); var b = 2*tub_rad*(concave_drop-tub_rad); var c = Math.pow(tub_rad,2)-Math.pow(deck_width/2 - flat_width/2, 2); var tub_angle = acos((-b + sqrt(Math.pow(b,2) - 4*a*c))/(2*a)); var x = x_max; var concave_depth; if (x<flat_width/2) { concave_depth = 0; } else { if (x<=(tub_rad*sin(tub_angle))) { concave_depth = (tub_rad-sqrt((pow(tub_rad,2)-pow((x),2)))); } else { concave_depth = ((tub_rad - (tub_rad*cos(tub_angle)))+(((x)-tub_rad*sin(tub_angle))*tan(tub_angle))); } } var stepsPerY = model_res; //how many iterations are done until we move onto next y value var stepsPerX = (width/2)/x_res; //how many iterations done until we move onto next x value var xStepSize = x_res; //console.log('y res = ' + stepsPerY); // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 //the direction of i is the direction of y var i_size = i_range/stepsPerY; var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; /*var y0 = kick_base_drop; var y1 = kick_base_drop; var y2 = concave_depth; var y3 = concave_depth;*/ var z; var slice_adj = 0; var x_val_last = 0; var transition_points = []; var kBR = (Math.pow(kick_base_drop,2)+Math.pow(width/2,2))/(2*kick_base_drop); //kick base radius if (!isFinite(kBR)) { kBR = 0; } var concave_array = []; /*this is the last array of points along the x-axis (width) before the concave section*/ var kick_array= []; /*this is the first array of points along the x-axis (y=0), needed for kick base drop*/ var bezier_array = [[width/2,0,0]]; /*array of points along edge of bezier curve*/ var x_tub = 0; var offsetArray = []; //array of points that will be offset var counter; for (x=0; x<=width/2; x+=x_res) { // counter=0; var y0 = kBR - kBR*cos(asin(x/kBR)); if (!isFinite(y0)) { y0 = 0; } var y1 = y0; var concave_drop_x; //concave drop along x width if (x<flat_width/2) { concave_drop_x = 0; } else { if (x_tub<=(tub_rad*sin(tub_angle))) { concave_drop_x = (tub_rad-sqrt((pow(tub_rad,2)-pow((x_tub),2)))); } else { concave_drop_x = ((tub_rad - (tub_rad*cos(tub_angle)))+(((x_tub)-tub_rad*sin(tub_angle))*tan(tub_angle))); } x_tub += x_res; } var y2 = concave_drop_x; var y3 = y2; for (var i = a; i < (i_range+i_size); i=i+i_size) { var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); //actually the position along y var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); //actually the z height x_val = Math.round(x_val*1000)/1000; y_val = Math.round(y_val*1000)/1000; x = Math.round(x*100000)/100000; z = y_val; transition_points.push([x,x_val,z]); if (t==0) { kick_array.push([x,x_val,z]); } if (t==1) { concave_array.push([x,x_val,z]); } if (x == x_max) { bezier_array.push([x,x_val,z]); } } counter++; } var triangleArray = []; var c=0; var b=1; var i; var maxTriangleArray = transition_points.length-stepsPerY-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerY+1) { for (c=i;c<(i+stepsPerY);c++) { triangleArray.push([(c+1),(c),(stepsPerY+c+1)]); if ((c+1)<=(i+stepsPerY)) { triangleArray.push([(stepsPerY+c+1),(stepsPerY+c+2),c+1]); } } } for (let i = 0; i < (transition_points.length); i+=(counter)) { const chunk = transition_points.slice(i, i+(counter)); offsetArray.push(chunk); } var result1= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }); var ptArray = []; console.log('og'); console.log(transition_points); var mainPoly = polyhedron({ // points: transition_points, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.9,0.9,0.9]); var shiftedPoly = (polyhedron({ // points: transition_points, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.8,0.2,0.8])).translate([0,0,-offset]); //our "offsetArray" is now an array of arrays split whenever we iterate the x value. var y_max=transition_length; var offsetPoints = JSON.parse(JSON.stringify(transition_points)); //offsetPoints will be the array of points we offset, while offsetArray is used for keeping track var last_x = -1; var last_y = -1; var last_z = 0; var last_zy = 0; var x_offset, y_offset, z_offset; var phi; //angle of offset point against x axis var beta; //angle of offset point against y axis //the difference from the last point to the current point for generating normals var delta_x; var delta_z; var delta_z; var current_x, current_y, current_z; var j=0; var offsetYePts = []; //offset edge points var offsetYcPts = []; //offset center points var offsetYtPts = []; var offsetTipPts = []; var last_y=-1; console.log('counter is ' + counter); for (let i=0; i < transition_points.length; i++) { //as we move to each point //offset the x value j = i-1; current_x = transition_points[i][0]; // get the current x value current_y = transition_points[i][1]; //get the current y value current_z = transition_points[i][2]; // get the current z value we calculated earlier // to find last_z: if(current_x == 0) { last_z = current_z; //we are at the edge and we want phi to be 0; last_x = -1; } else { last_x = transition_points[i-(1+stepsPerY)][0] last_z = transition_points[i-(1+stepsPerY)][2] } delta_x = current_x-last_x; delta_z = current_z-last_z; phi = abs(90-atan(abs(delta_z/delta_x))); if (phi == 90) { phi = 0; //to prevent infinity/NaN } //to find the previous y value and z value when x was the same if (current_y == 0) { last_y = -1; last_zy = current_z; } else if (current_y == y_max){ last_y = transition_points[j][1]; last_zy = current_z; // 6/8/22 } else { //last_y = current_y - y_res; last_y = transition_points[j][1]; last_zy = transition_points[j][2]; } delta_zy = current_z - last_zy; delta_y = current_y - last_y; //along y-axis, not along x /*console.log('x and y comparison'); console.log(current_x + ' ' + last_x); console.log(current_y + ' ' + last_y); console.log('(' + current_x + ',' + current_y + ')'); console.log(delta_z + ' ' + delta_zy); */ beta = abs(atan((abs(delta_zy/delta_y)))); if (beta == 90) { beta = 0; //to prevent infinity/NaN } /* --------------*/ var x_component = 1/Math.pow(tan(phi),2); var y_component = Math.pow(tan(beta),2); if (!isFinite(x_component)) { x_component=0; } if (!isFinite(y_component)) { y_component=0; } if (delta_zy/delta_z !== abs(delta_zy/delta_z)) { } z_offset = sqrt(Math.pow(offset,2)/(x_component+y_component+1)); x_offset = z_offset/tan(phi); y_offset = z_offset*tan(beta); if (!isFinite(x_offset)) { x_offset=0; } if (!isFinite(y_offset)) { y_offset = 0; } if (z_offset == 0) { z_offset=offset; } /*console.log('phi ' + phi); console.log('x_offset: ' + x_offset); */ offsetPoints[i][0] += x_offset; offsetPoints[i][1] += y_offset; offsetPoints[i][2] -= z_offset; if (current_x == x_max) { //ye pts offsetYePts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_x == 0) { //yc pts offsetYcPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == 0) { //transition pts offsetYtPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } if (current_y == y_max) { offsetTipPts.push([current_x+x_offset,current_y+y_offset,current_z-z_offset]); } last_y=current_y; } var offsetPointsGroupedRef = JSON.parse(JSON.stringify(offsetPoints)); var offsetPointsGrouped = []; for (let i = 0; i < (offsetPointsGroupedRef.length); i+=counter) { const chunk = offsetPointsGroupedRef.slice(i, i+counter); offsetPointsGrouped.push(chunk); } var testPoly = polyhedron({ // points: offsetPoints, // the apex point triangles: triangleArray // two triangles for square base }).setColor([0.9,0.9,0.9]); /* console.log('offsetPoints'); console.log(offsetPoints); console.log(transition_points);*/ //return [testPoly,mainPoly,shiftedPoly]; /* ------------ kick side --------*/ if (kick_base_drop !== 0) { var kick_side_points = offsetYtPts; /*get just the points along the curve, which will vary with resolution.*/ var kick_array_length = kick_side_points.length; offsetYtPts.push([0,0,section_depth]); offsetYtPts.push([width/2,0,section_depth]); var kickSideTriangles = []; for (var j=0; j<kick_array_length-1; j++) { kickSideTriangles.push([j+1,j,kick_array_length]); } kickSideTriangles.push([kick_array_length-1,offsetYtPts.length-2,offsetYtPts.length-1]); for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=offsetPoints.length; kickSideTriangles[k][1]+=offsetPoints.length; kickSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYtPts); triangleArray = triangleArray.concat(kickSideTriangles); } else { var kickSidePoints = [ [0,0,-offset], [width/2,0,-offset], [0,0,section_depth], [width/2,0,section_depth] ]; var kickSideTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=offsetPoints.length; kickSideTriangles[k][1]+=offsetPoints.length; kickSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(kickSidePoints); triangleArray = triangleArray.concat(kickSideTriangles); } /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor([.9,.99,.9]); return result; */ /* ------------ center of transition section --------*/ /*var transitionCenterPoints = [ [0,0,-offset], [0,transition_length,-offset], [0,0,section_depth], [0,transition_length,section_depth] ]; var transitionCenterTriangles = [ [0,1,2], [1,3,2] ]; for (var k=0; k<(transitionCenterTriangles.length); k++){ transitionCenterTriangles[k][0]+=offsetPoints.length; transitionCenterTriangles[k][1]+=offsetPoints.length; transitionCenterTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(transitionCenterPoints); triangleArray = triangleArray.concat(transitionCenterTriangles); /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor([.99,.95,.95]); return result;*/ /* ------------ concave end of transition section --------*/ //points are concave_array points, plus the border points, which are added below: var concave_array_curve_points = offsetTipPts; /*get just the points along the curve, which will vary with resolution.*/ var curve_array_length = concave_array_curve_points.length; offsetTipPts.push([0,transition_length,section_depth]); offsetTipPts.push([width/2,transition_length,section_depth]); var concaveSideTriangles = []; for (var j=0; j<curve_array_length-1; j++) { concaveSideTriangles.push([j,j+1,curve_array_length]); } concaveSideTriangles.push([curve_array_length-1,offsetTipPts.length-1,offsetTipPts.length-2]); /* var result=polyhedron({ points: offsetTipPts, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(concaveSideTriangles.length); k++){ concaveSideTriangles[k][0]+=offsetPoints.length; concaveSideTriangles[k][1]+=offsetPoints.length; concaveSideTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetTipPts); triangleArray = triangleArray.concat(concaveSideTriangles); /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor([0.9,0.95,0.99]); return result;*/ /* ------------ edge of transition section (along bezier) --------*/ //points are bezier_array points, plus the border points, which are added below: var bezier_array_length = offsetYePts.length; /*first, store the value of */ offsetYePts.push([width/2,0,section_depth]); offsetYePts.push([width/2,transition_length,section_depth]); var bezierTriangles = []; for (var j=0; j<bezier_array_length-1; j++) { bezierTriangles.push([bezier_array_length,j+1,j]); } bezierTriangles.push([offsetYePts.length-2,offsetYePts.length-1,bezier_array_length-1]); /* var result=polyhedron({ points: concave_array, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(bezierTriangles.length); k++){ bezierTriangles[k][0]+=offsetPoints.length; bezierTriangles[k][1]+=offsetPoints.length; bezierTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(offsetYePts); triangleArray = triangleArray.concat(bezierTriangles); /*var result= polyhedron({ // points: offsetPoints, // triangles: triangleArray // two triangles for square base }).setColor([0.8,0.99,0.95]); return result;*/ /* ------------ bottom --------*/ var bottomPoints = [ [0,0,section_depth], [width/2,0,section_depth], [0,transition_length,section_depth], [width/2,transition_length,section_depth] ]; var bottomTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(bottomTriangles.length); k++){ bottomTriangles[k][0]+=offsetPoints.length; bottomTriangles[k][1]+=offsetPoints.length; bottomTriangles[k][2]+=offsetPoints.length; } offsetPoints = offsetPoints.concat(bottomPoints); triangleArray = triangleArray.concat(bottomTriangles); for (let i=0; i<offsetPoints.length;i++) { for (let j=0; j<3; j++) { offsetPoints[i][j] = Math.round(offsetPoints[i][j]*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(offsetPoints)); for (let i=0;i<offsetPoints.length;i++) { finalArray.push([-offsetPoints[i][0],offsetPoints[i][1],offsetPoints[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+offsetPoints.length,triangleArray[i][0]+offsetPoints.length,triangleArray[i][2]+offsetPoints.length]); } var result= polyhedron({ // points: finalArray, // triangles: finalTriangleArray // two triangles for square base }).setColor(0.9,0.9,0.9); //result = result.union(mirror([1,0,0],result)); result = rotate([180,0,-90],result); result = result.translate([0,0,-offset]); return result; //tub transition section offset } function make_tub_transition_section(transition_length, thickness, slice_thickness, width, deck_width, tub_rad, number_of_segments, model_res, kick_base_drop, flat_width, concave_drop, mold_height, tub_res) { var section_depth=mold_height; var y_max = transition_length; var x_max = width/2; var res = 100; //resolution of bezier curves var x_res = tub_res; /*The following equations were derived on a piece of paper, using tan(tub_angle) = (concave_drop - tub_rad + tub_rad*cos(tub_angle))/(deck_width/2 - flat_width/2 - tub_rad*sin(tub_angle)) and some trig identities: sin^2(x) + cos^2(x) = 1. This website was helpful: https://www.symbolab.com/solver/trigonometric-simplification-calculator */ var a = Math.pow(concave_drop-tub_rad,2)+Math.pow((deck_width/2 - flat_width/2),2); var b = 2*tub_rad*(concave_drop-tub_rad); var c = Math.pow(tub_rad,2)-Math.pow(deck_width/2 - flat_width/2, 2); var tub_angle = acos((-b + sqrt(Math.pow(b,2) - 4*a*c))/(2*a)); var x = x_max; var concave_depth; if (x<flat_width/2) { concave_depth = 0; } else { if (x<=(tub_rad*sin(tub_angle))) { concave_depth = (tub_rad-sqrt((pow(tub_rad,2)-pow((x),2)))); } else { concave_depth = ((tub_rad - (tub_rad*cos(tub_angle)))+(((x)-tub_rad*sin(tub_angle))*tan(tub_angle))); } } var stepsPerY = model_res; //how many iterations are done until we move onto next y value var stepsPerX = (width/2)/x_res; //how many iterations done until we move onto next x value var xStepSize = x_res; // B(t) = [(1-t)^3]P0 + 3[(1-t)^2]tP1 + 3[(1-t)t^2]P2 + (t^3)P3 var i_range = 1; //range for t, which must be 0 <= t <= 1 //the direction of i is the direction of y var i_size = i_range/stepsPerY; var origin_x = 0; var origin_y = 0; var a = 0; //initial t value of Bezier var x0 = 0; var x1 = transition_length/4; var x2 = transition_length*(2/3); var x3 = transition_length; /*var y0 = kick_base_drop; var y1 = kick_base_drop; var y2 = concave_depth; var y3 = concave_depth;*/ var z; var slice_adj = 0; var x_val_last = 0; var transition_points = []; var kBR = (Math.pow(kick_base_drop,2)+Math.pow(width/2,2))/(2*kick_base_drop); //kick base radius if (!isFinite(kBR)) { kBR = 0; } var concave_array = []; /*this is the last array of points along the x-axis (width) before the concave section*/ var kick_array= []; /*this is the first array of points along the x-axis (y=0), needed for kick base drop*/ var bezier_array = [[width/2,0,0]]; /*array of points along edge of bezier curve*/ var x_tub = 0; for (x=0; x<=width/2; x+=x_res) { // var y0 = kBR - kBR*cos(asin(x/kBR)); if (!isFinite(y0)) { y0 = 0; } var y1 = y0; var concave_drop_x; //concave drop along x width if (x<flat_width/2) { concave_drop_x = 0; } else { if (x_tub<=(tub_rad*sin(tub_angle))) { concave_drop_x = (tub_rad-sqrt((pow(tub_rad,2)-pow((x_tub),2)))); } else { concave_drop_x = ((tub_rad - (tub_rad*cos(tub_angle)))+(((x_tub)-tub_rad*sin(tub_angle))*tan(tub_angle))); } x_tub += x_res; } var y2 = concave_drop_x; var y3 = y2; for (var i = a; i < (i_range+i_size); i=i+i_size) { var t = i; var x_val = ((Math.pow((1-t),3))*x0)+(3*(Math.pow((1-t),2))*t*x1)+(3*((1-t))*Math.pow(t,2)*x2)+(Math.pow(t,3)*x3); //actually the position along y var y_val = ((Math.pow((1-t),3))*y0)+(3*(Math.pow((1-t),2))*t*y1)+(3*((1-t))*Math.pow(t,2)*y2)+(Math.pow(t,3)*y3); //actually the z height x_val = Math.round(x_val*1000)/1000; y_val = Math.round(y_val*1000)/1000; x = Math.round(x*100000)/100000; z = y_val; transition_points.push([x,x_val,z]); if (t==0) { kick_array.push([x,x_val,z]); } if (t==1) { concave_array.push([x,x_val,z]); } if (x == x_max) { bezier_array.push([x,x_val,z]); } } } var triangleArray = []; var c=0; var b=1; var i; var maxTriangleArray = transition_points.length-stepsPerY-2; for (i=0;i<=maxTriangleArray;i=i+stepsPerY+1) { for (c=i;c<(i+stepsPerY);c++) { triangleArray.push([(c+1),(c),(stepsPerY+c+1)]); if ((c+1)<=(i+stepsPerY)) { triangleArray.push([(stepsPerY+c+1),(stepsPerY+c+2),c+1]); } } } var result1= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }); var ptArray = []; /*for (var i=0; i<transition_points.length; i++) { ptArray.push(cube({size: [0.05, 0.05, 0.05], center: true}).translate([(transition_points[i][0]),(transition_points[i][1]),(transition_points[i][2])])); } return ptArray;*/ //return result1; /* ------------ kick side --------*/ if (kick_base_drop !== 0) { var kick_side_points = kick_array; /*get just the points along the curve, which will vary with resolution.*/ var kick_array_length = kick_side_points.length; kick_array.push([0,0,section_depth]); kick_array.push([width/2,0,section_depth]); var kickSideTriangles = []; for (var j=0; j<kick_array_length-1; j++) { kickSideTriangles.push([j+1,j,kick_array_length]); } kickSideTriangles.push([kick_array_length-1,kick_array.length-2,kick_array.length-1]); for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=transition_points.length; kickSideTriangles[k][1]+=transition_points.length; kickSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(kick_array); triangleArray = triangleArray.concat(kickSideTriangles); } else { var kickSidePoints = [ [0,0,0], [width/2,0,0], [0,0,section_depth], [width/2,0,section_depth] ]; var kickSideTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(kickSideTriangles.length); k++){ kickSideTriangles[k][0]+=transition_points.length; kickSideTriangles[k][1]+=transition_points.length; kickSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(kickSidePoints); triangleArray = triangleArray.concat(kickSideTriangles); } var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor([.9,.9,.9]); //return result; /* ------------ center of transition section --------*/ /*var transitionCenterPoints = [ [0,0,0], [0,transition_length,0], [0,0,section_depth], [0,transition_length,section_depth] ]; var transitionCenterTriangles = [ [0,1,2], [1,3,2] ]; for (var k=0; k<(transitionCenterTriangles.length); k++){ transitionCenterTriangles[k][0]+=transition_points.length; transitionCenterTriangles[k][1]+=transition_points.length; transitionCenterTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(transitionCenterPoints); triangleArray = triangleArray.concat(transitionCenterTriangles); var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor([.95,.95,.95]); //return result; /* ------------ concave end of transition section --------*/ //points are concave_array points, plus the border points, which are added below: var concave_array_curve_points = concave_array; /*get just the points along the curve, which will vary with resolution.*/ var curve_array_length = concave_array_curve_points.length; concave_array.push([0,transition_length,section_depth]); concave_array.push([width/2,transition_length,section_depth]); var concaveSideTriangles = []; for (var j=0; j<curve_array_length-1; j++) { concaveSideTriangles.push([j,j+1,curve_array_length]); } concaveSideTriangles.push([curve_array_length-1,concave_array.length-1,concave_array.length-2]); /* var result=polyhedron({ points: concave_array, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(concaveSideTriangles.length); k++){ concaveSideTriangles[k][0]+=transition_points.length; concaveSideTriangles[k][1]+=transition_points.length; concaveSideTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(concave_array); triangleArray = triangleArray.concat(concaveSideTriangles); var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor([0.95,0.95,0.95]); //return result; /* ------------ edge of transition section (along bezier) --------*/ //points are bezier_array points, plus the border points, which are added below: var bezier_array_length = bezier_array.length; /*first, store the value of */ bezier_array.push([width/2,0,section_depth]); bezier_array.push([width/2,transition_length,section_depth]); var bezierTriangles = []; for (var j=0; j<bezier_array_length-1; j++) { bezierTriangles.push([bezier_array_length,j+1,j]); } bezierTriangles.push([bezier_array.length-2,bezier_array.length-1,bezier_array_length-1]); /* var result=polyhedron({ points: concave_array, triangles: concaveSideTriangles }); return result;*/ for (var k=0; k<(bezierTriangles.length); k++){ bezierTriangles[k][0]+=transition_points.length; bezierTriangles[k][1]+=transition_points.length; bezierTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(bezier_array); triangleArray = triangleArray.concat(bezierTriangles); var result= polyhedron({ // points: transition_points, // triangles: triangleArray // two triangles for square base }).setColor([0.95,0.95,0.95]); // return result; /* ------------ bottom --------*/ var bottomPoints = [ [0,0,section_depth], [width/2,0,section_depth], [0,transition_length,section_depth], [width/2,transition_length,section_depth] ]; var bottomTriangles = [ [2,1,0], [2,3,1] ]; for (var k=0; k<(bottomTriangles.length); k++){ bottomTriangles[k][0]+=transition_points.length; bottomTriangles[k][1]+=transition_points.length; bottomTriangles[k][2]+=transition_points.length; } transition_points = transition_points.concat(bottomPoints); triangleArray = triangleArray.concat(bottomTriangles); for (let i=0; i<transition_points.length;i++) { for (let j=0; j<3; j++) { transition_points[i][j] = Math.round(transition_points[i][j]*1000)/1000; } } var finalArray = JSON.parse(JSON.stringify(transition_points)); for (let i=0;i<transition_points.length;i++) { finalArray.push([-transition_points[i][0],transition_points[i][1],transition_points[i][2]]); } var finalTriangleArray = JSON.parse(JSON.stringify(triangleArray)); var triangleArrayLength = triangleArray.length; for (let i=0;i<triangleArrayLength;i++){ finalTriangleArray.push([triangleArray[i][1]+transition_points.length,triangleArray[i][0]+transition_points.length,triangleArray[i][2]+transition_points.length]); } var result= polyhedron({ // points: finalArray, // triangles: finalTriangleArray // two triangles for square base }).setColor(0.9,0.9,0.9); // result = result.union(mirror([1,0,0],result)); result = rotate([180,0,-90],result); result = result.translate([0,0,0]); return result; //tub transition section (not offset) } function make_profile(width, wheelbase, boltL, nose_length, tail_length, length, taperN, taperT, nose_shape, tail_shape, depth) { var profile = new CSG.Path2D([[0,(width/2)],[(((wheelbase/2)+boltL+nose_length)-taperN),(width/2)]]); profile = profile.appendBezier([[((((wheelbase/2)+boltL+nose_length)-taperN)+(nose_shape*(taperN))),(width/2)],[((wheelbase/2)+boltL+nose_length),(nose_shape*(width/2))],[((wheelbase/2)+boltL+nose_length),0]], {resolution: 100}); profile = profile.appendBezier([[((wheelbase/2)+boltL+nose_length),(-(nose_shape*(width/2)))],[((((wheelbase/2)+boltL+nose_length)-taperN)+(nose_shape*(taperN))),(-(width/2))],[(((wheelbase/2)+boltL+nose_length)-taperN),(-(width/2))]], {resolution: 100}); profile = profile.appendPoint([0,(-(width/2))]); profile = profile.appendPoint([-(((wheelbase/2)+boltL+tail_length)-taperT),-(width/2)]); profile = profile.appendBezier([[-((((wheelbase/2)+boltL+tail_length)-taperT)+(tail_shape*(taperT))),-(width/2)],[-((wheelbase/2)+boltL+tail_length),-(tail_shape*(width/2))],[-((wheelbase/2)+boltL+tail_length),0]], {resolution: 100}); profile = profile.appendBezier([[-((wheelbase/2)+boltL+tail_length),((tail_shape*(width/2)))],[-((((wheelbase/2)+boltL+tail_length)-taperT)+(tail_shape*(taperT))),((width/2))],[-(((wheelbase/2)+boltL+tail_length)-taperT),((width/2))]], {resolution: 100}); profile = profile.appendPoint([0,(width/2)]); profile = profile.close(); var skateboard = profile.innerToCAG(); skateboard = linear_extrude({height: depth}, skateboard); return skateboard; } function make_profile_uncut(mold_width, wheelbase, boltL, nose_length, tail_length, length, taperN, taperT, depth, mold_length) { var width = mold_width; var nose_offset = (nose_length - tail_length)/2; var profile = new CSG.Path2D([[0,(width/2)],[(mold_length/2+nose_offset),(width/2)]]); profile = profile.appendPoint([(mold_length/2+nose_offset),-(width/2)]); profile = profile.appendPoint([(-(mold_length/2-nose_offset)),-(width/2)]); profile = profile.appendPoint([(-(mold_length/2-nose_offset)),(width/2)]); profile = profile.close(); var skateboard = profile.innerToCAG(); skateboard = linear_extrude({height: depth}, skateboard); return skateboard; } function make_lb_profile(width, wheelbase, boltL, nose_length, tail_length, length, taperN, taperT, depth, noseLipX, noseLipY, noseY, tailLipX, tailLipY, tailY) { var res = 250; //resolution of bezier curves var profile = new CSG.Path2D([[0,(width/2)],[(((wheelbase/2)+boltL+nose_length)-taperN),(width/2)]]); profile = profile.appendBezier([[(noseLipX),(width/2)],[(noseLipX),(noseLipY)],[((wheelbase/2)+boltL+nose_length),(noseY)],[((wheelbase/2)+boltL+nose_length),0]], {resolution: res}); profile = profile.appendBezier([[((wheelbase/2)+boltL+nose_length),(-noseY)],[noseLipX,(-noseLipY)],[noseLipX,(-(width/2))],[(((wheelbase/2)+boltL+nose_length)-taperN),-(width/2)]], {resolution: res}); profile = profile.appendPoint([0,(-(width/2))]); profile = profile.appendPoint([-(((wheelbase/2)+boltL+tail_length)-taperT),-(width/2)]); profile = profile.appendBezier([[(-tailLipX),-(width/2)],[(-tailLipX),(-tailLipY)],[-(((wheelbase/2)+boltL+tail_length)),-(tailY)],[-(((wheelbase/2)+boltL+tail_length)),0]], {resolution: res}); profile = profile.appendBezier([[-(((wheelbase/2)+boltL+tail_length)),(tailY)],[-tailLipX,(tailLipY)],[-tailLipX,((width/2))],[-((((wheelbase/2)+boltL+tail_length))-taperT),(width/2)]], {resolution: res}); profile = profile.appendPoint([0,(width/2)]); profile = profile.close(); var skateboard = profile.innerToCAG(); skateboard = linear_extrude({height: depth}, skateboard); return skateboard; } function make_section_bores(mold_width, mold_length, print_length, print_width, bore_dia, bore_depth, mold_height, printSection, spacing, nose_length, tail_length, display, extra_depth) { var result = new CSG(); var cyl_depth = bore_depth+extra_depth; var maxNumberSections = 7; //at most we have 7 sections with extended nose/tail var minNumberSections = 5; //at minimum we have 5 sections var width_location; if (print_width >= mold_width) { width_location = -(mold_width/2-spacing); } else { width_location = spacing; } result = cylinder({r: bore_dia/2, h: cyl_depth, center: true}).translate([0,0,-mold_height+(cyl_depth/2)-extra_depth]); var cyl1 = result; var cyl2 = result; var cyl3 = result; var cyl4 = result; cyl1 = cyl1.translate([(nose_length-tail_length)/2+(print_length/2)-spacing, width_location, 0]); cyl2 = cyl2.translate([(nose_length-tail_length)/2+(print_length/2)-spacing, mold_width/2-spacing, 0]); cyl3 = cyl3.translate([(nose_length-tail_length)/2-((print_length/2)-spacing), mold_width/2-spacing, 0]); cyl4 = cyl4.translate([(nose_length-tail_length)/2-((print_length/2)-spacing), width_location, 0]); var cyl5 = result; var cyl6 = result; var cyl7 = result; var cyl8 = result; cyl5 = cyl5.translate([print_length+(nose_length-tail_length)/2+(print_length/2)-spacing, width_location, 0]); cyl6 = cyl6.translate([print_length+(nose_length-tail_length)/2+(print_length/2)-spacing, mold_width/2-spacing, 0]); cyl7 = cyl7.translate([print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), mold_width/2-spacing, 0]); cyl8 = cyl8.translate([print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), width_location, 0]); var cyl17 = result; var cyl18 = result; var cyl19 = result; var cyl20 = result; cyl17 = cyl17.translate([(nose_length-tail_length)/2-(print_length+(print_length/2)-spacing), width_location, 0]); cyl18 = cyl18.translate([(nose_length-tail_length)/2-(print_length+(print_length/2)-spacing), mold_width/2-spacing, 0]); cyl19 = cyl19.translate([(nose_length-tail_length)/2-(print_length-((print_length/2)-spacing)), mold_width/2-spacing, 0]); cyl20 = cyl20.translate([(nose_length-tail_length)/2-(print_length-((print_length/2)-spacing)), width_location, 0]); var cyl9 = result; var cyl10 = result; var cyl11 = result; var cyl12 = result; var cyl21 = result; var cyl22 = result; var cyl23 = result; var cyl24 = result; if ((mold_length<=(5*print_length))) { cyl9 = cyl9.translate([(nose_length-tail_length)/2+(mold_length/2)-spacing, width_location, 0]); cyl10 = cyl10.translate([(nose_length-tail_length)/2+(mold_length/2)-spacing, mold_width/2-spacing, 0]); cyl21 = cyl21.translate([(nose_length-tail_length)/2-((mold_length/2)-spacing),width_location, 0]); cyl22 = cyl22.translate([(nose_length-tail_length)/2-((mold_length/2)-spacing), mold_width/2-spacing, 0]); } else { cyl9 = cyl9.translate([2*print_length+(nose_length-tail_length)/2+((print_length/2)-spacing), width_location, 0]); cyl10 = cyl10.translate([2*print_length+(nose_length-tail_length)/2+((print_length/2)-spacing), mold_width/2-spacing, 0]); cyl21 = cyl21.translate([(nose_length-tail_length)/2-(2*print_length+((print_length/2)-spacing)), width_location, 0]); cyl22 = cyl22.translate([(nose_length-tail_length)/2-(2*print_length+((print_length/2)-spacing)), mold_width/2-spacing, 0]); } cyl11 = cyl11.translate([2*print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), mold_width/2-spacing, 0]); cyl12 = cyl12.translate([2*print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), width_location, 0]); cyl23 = cyl23.translate([(nose_length-tail_length)/2-(2*print_length-((print_length/2)-spacing)), mold_width/2-spacing, 0]); cyl24 = cyl24.translate([(nose_length-tail_length)/2-(2*print_length-((print_length/2)-spacing)), width_location, 0]); var plane = CSG.Plane.fromPoints([(nose_length-tail_length)/2,0,0], [(nose_length-tail_length)/2, 5, 1], [(nose_length-tail_length)/2, 1, 2]); var bore_array = [cyl1,cyl2,cyl3,cyl4,cyl5,cyl6,cyl7,cyl8,cyl9,cyl10,cyl11,cyl12,cyl17,cyl18,cyl19,cyl20,cyl21,cyl22,cyl23,cyl24]; if ((mold_length>(5*print_length))||(mold_length<(7*print_length)) ){ var cyl13 = result; var cyl14 = result; var cyl15 = result; var cyl16 = result; cyl13 = cyl13.translate([(nose_length-tail_length)/2+(mold_length/2)-spacing, width_location, 0]); cyl14 = cyl14.translate([(nose_length-tail_length)/2+(mold_length/2)-spacing, mold_width/2-spacing, 0]); cyl15 = cyl15.translate([3*print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), mold_width/2-spacing, 0]); cyl16 = cyl16.translate([3*print_length+(nose_length-tail_length)/2-((print_length/2)-spacing), width_location, 0]); var cyl25 = result; var cyl26 = result; var cyl27 = result; var cyl28 = result; cyl25 = cyl25.translate([(nose_length-tail_length)/2-((mold_length/2)-spacing), width_location, 0]); cyl26 = cyl26.translate([(nose_length-tail_length)/2-((mold_length/2)-spacing), mold_width/2-spacing, 0]); cyl27 = cyl27.translate([(nose_length-tail_length)/2-(3*print_length-((print_length/2)-spacing)), mold_width/2-spacing, 0]); cyl28 = cyl28.translate([(nose_length-tail_length)/2-(3*print_length-((print_length/2)-spacing)), width_location, 0]); var extended_bores = [cyl13,cyl14,cyl15,cyl16,cyl25,cyl26,cyl27,cyl28]; var ext_bore_array_length = extended_bores.length; for (var j=0; j<ext_bore_array_length;j++) { bore_array.push(extended_bores[j]); } } var bore_array_length = bore_array.length; /*console.log('bore array length = ' + bore_array.length); for (var i=0; i<bore_array_length; i++) { bore_array.push((bore_array[i]).mirrored(plane)); //need to fix this - mirrored holes get shifted in z direction }*/ /*for (var k=0;k<bore_array_length;k++) { bore_array[k]=bore_array[k].translate([0,0,bore_depth/2]); } */ return bore_array; }

CNC Machined Foam Mold

Kraft Paper Template

$14.95