ctc_serial.jscad

// title      : CTC Serial
// author     : Rene K. Mueller
// license    : MIT License
// description: create your own serial plate for "CTC A9999"
// date       : 2018/03/27
// file       : ctc_serial.jscad

function getParameterDefinitions() {
   return [
      { name: 'serial', initial: "CTC A9999", type: 'text', caption: 'Serial' },
      { name: 'distance', initial: 63, type: 'float', caption: 'Distance of holes', units: "mm" },
      { name: 'thickness', initial: 3, type: 'float', caption: 'Thickness' }
   ];
}

function main(param) {
   var o = [];    // our stack of objects
   var l = [];    // our stack of line segments (when rendering vector text)
   var p = [];    // our stack of extruded line segments
   
   // -- render name & extrude
   l = vector_text(0,0,param.serial);
   l.forEach(function(s) {                
      p.push(rectangular_extrude(s, { w:param.thickness, h:param.thickness*2 }));
   });
   var spc = param.distance;        // distance of holes
   var lb = union(p).scale([1/3,1/3,1/3]).center([true,true,false]);
   {
      var b = lb.getBounds();
      var m = 2;
      var w = b[1].x-b[0].x+m*2;
      var h = b[1].y-b[0].y+m*2;
      //lb = lb.translate([spc/2-w/2-3/2,0,0]);        // center label
      lb = lb.translate([w/2-2,4,0]);
   }
   o.push(lb);

   var t = 1;     // plate 1mm thick

   // -- washer(s) for M3
   var w = difference(cylinder({d:8, h:t }),cylinder({d: 3.2, h: t}));
   o.push(w.translate([-3,0,0]),w.translate([spc-3,0,0]));     // difference 64mm
  
   // -- adding a plate underneath
   o.push(cube({size: [spc-3*2,h/8,t], round: true, radius: 0.1}).translate([0,-1.5,0]));
   return union(o);
}