自助具3Dデータ パラメトリックデザイン
Parametric Designs for Assistive Tools

const jscad = require('@jscad/modeling') const { cube, cuboid, cylinder, cylinderElliptic, ellipsoid, geodesicSphere, roundedCuboid, roundedCylinder, sphere, torus } = jscad.primitives const { translate ,rotate} = jscad.transforms const { colorize } = jscad.colors const { union, subtract, intersect } = jscad.booleans const { degToRad } = jscad.utils const { hull, hullChain } = jscad.hulls const getParameterDefinitions = () => { return [ { name: 'R', caption: '直径(ミリ):', type: 'float', initial: 60, min: 20, max: 200 }, { name: 'g', type: 'choice', caption: 'ギザギザの数', values: [0, 1,], captions: ['６', '12'], default: 0 } ] } const main = (params) => { if(params.g===0){ const aroundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)-(2-(19/params.R))/2, (params.R/4)/2], roundedCuboid({ size: [2.66+params.R/20, 2-(19/params.R), params.R/4], roundRadius: 0.4, segments: 20 }))) const broundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.8, (params.R/6.66)/2], roundedCuboid({ size: [2.66+params.R/20, 1, params.R/6.66], roundRadius: 0.2, segments: 20 }))) const croundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.7,(params.R/8.88)/2 ], roundedCuboid({ size: [2.66+params.R/20, 1, params.R/8.88], roundRadius: 0.2, segments: 20 }))) const droundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.6, (params.R/13)/2], roundedCuboid({ size: [2.66+params.R/20, 1, params.R/13], roundRadius: 0.2, segments: 20 }))) const eroundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.4, (params.R/28)/2], roundedCuboid({ size: [2.66+params.R/20, 1, params.R/28], roundRadius: 0.2, segments: 20 }))) const froundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.19,params.R/200], roundedCuboid({ size: [2.66+params.R/20, 1, params.R/400], roundRadius: 0.002, segments: 20 }))) const acylinder =cylinder({ radius: 0.2+(params.R/2), height: 2 , segments: 100}) const ahullChain=hullChain(aroundedCuboid ,broundedCuboid,croundedCuboid,droundedCuboid,eroundedCuboid ,froundedCuboid ) const rotations = [degToRad(0), degToRad(0), degToRad(0)] const arotations = [degToRad(0), degToRad(0), degToRad(60)] const brotations = [degToRad(0), degToRad(0), degToRad(120)] const crotations = [degToRad(0), degToRad(0), degToRad(180)] const drotations = [degToRad(0), degToRad(0), degToRad(240)] const erotations = [degToRad(0), degToRad(0), degToRad(300)] let rotated = rotate(rotations, ahullChain) let arotated = rotate(arotations, ahullChain) let brotated = rotate(brotations, ahullChain) let crotated = rotate(crotations, ahullChain) let drotated = rotate(drotations, ahullChain) let erotated = rotate(erotations, ahullChain) const aunion= union(acylinder,rotated,arotated,brotated,crotated,drotated,erotated) return [ translate([0, 0, 0],aunion), ] } else{ const aroundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)-(2-(19/params.R))/2, (params.R/4)/2], roundedCuboid({ size: [2+params.R/30, 2-(19/params.R), params.R/4], roundRadius: 0.4, segments: 20 }))) const broundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.8, (params.R/6.66)/2], roundedCuboid({ size: [2+params.R/30, 1, params.R/6.66], roundRadius: 0.2, segments: 20 }))) const croundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.7,(params.R/8.88)/2 ], roundedCuboid({ size: [2+params.R/30, 1, params.R/8.88], roundRadius: 0.2, segments: 20 }))) const droundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.6, (params.R/13)/2], roundedCuboid({ size: [2+params.R/30, 1, params.R/13], roundRadius: 0.2, segments: 20 }))) const eroundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.4, (params.R/28)/2], roundedCuboid({ size: [2+params.R/30, 1, params.R/28], roundRadius: 0.2, segments: 20 }))) const froundedCuboid = colorize([4, 7, 0], translate([0, (params.R/2)*0.18,params.R/400], roundedCuboid({ size: [2+params.R/30, 1, params.R/200], roundRadius: 0.002, segments: 20 }))) const acylinder =cylinder({ radius: 0.2+(params.R/2), height: 2 , segments: 100}) const ahullChain=hullChain(aroundedCuboid ,broundedCuboid,croundedCuboid,droundedCuboid,eroundedCuboid ,froundedCuboid ) const rotations = [degToRad(0), degToRad(0), degToRad(0)] const arotations = [degToRad(0), degToRad(0), degToRad(30)] const brotations = [degToRad(0), degToRad(0), degToRad(60)] const crotations = [degToRad(0), degToRad(0), degToRad(90)] const drotations = [degToRad(0), degToRad(0), degToRad(120)] const erotations = [degToRad(0), degToRad(0), degToRad(150)] const frotations = [degToRad(0), degToRad(0), degToRad(180)] const grotations = [degToRad(0), degToRad(0), degToRad(210)] const hrotations = [degToRad(0), degToRad(0), degToRad(240)] const irotations = [degToRad(0), degToRad(0), degToRad(270)] const jrotations = [degToRad(0), degToRad(0), degToRad(300)] const krotations = [degToRad(0), degToRad(0), degToRad(330)] let rotated = rotate(rotations, ahullChain) let arotated = rotate(arotations, ahullChain) let brotated = rotate(brotations, ahullChain) let crotated = rotate(crotations, ahullChain) let drotated = rotate(drotations, ahullChain) let erotated = rotate(erotations, ahullChain) let frotated = rotate(frotations, ahullChain) let grotated = rotate(grotations, ahullChain) let hrotated = rotate(hrotations, ahullChain) let irotated = rotate(irotations, ahullChain) let jrotated = rotate(jrotations, ahullChain) let krotated = rotate(krotations, ahullChain) const aunion= union(acylinder,rotated,arotated,brotated,crotated,drotated,erotated,frotated,grotated,hrotated,irotated,jrotated,krotated) return [ translate([0, 0, 0],aunion), ] } } module.exports = { main,getParameterDefinitions } // 直径に応じてブレードの厚みを変える