duetholder math

1 files changed, 10 insertions, 0 deletions

diff --git a/delta.jscad b/delta.jscad
index 4716875..a1be156 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -72,96 +72,106 @@ var CONFIG = {
    margin: 2.5,
    split: 0.6
   },
   mswitch: {
    size: [ 19.8, 6, 10 ],
    screw: {
     d: 2, h: 10/2-2,
     s: 1.3, // screw shell
     o: [-9.5/2,9.5/2].map(function(x) {
      return -19.8/2+x;
     })
    },
    switch_x: 2.5
   },
   guide: {
    width: 3, height: 5+1, length: 6
   },
   fanholder: {
    r: 30,
    screw: { d: 3, m: 2.5/*margin*/ },
    w: 3
   }
  },
  nut: { h: 2.3, w: 5.5 },
  color: {
   extrusion: [0.8, 0.8, 0.8, 0.8],
   pcb: [ 0, 0.3, 0.2, 0.8 ],
   bulk: [ .9, .9, .9, .2 ],
   parts: [ 0, 0.8, 0, 0.9 ],
   softparts: [ 0, 0, 0.8, 0.9 ]
  }
 };
 
 var CD = {
  base: (function(){
   var rv = {};
   rv.circumscription_r =
    CONFIG.base.sl/2/Math.cos(Math.PI/6);
   rv.outer_inscription_r =
    Math.sqrt(Math.pow(rv.circumscription_r,2)-
     Math.pow(CONFIG.base.sl/2,2));
   rv.mid_inscription_r =
     rv.outer_inscription_r-CONFIG.extrusion.w/2;
   rv.inner_inscription_r =
     rv.outer_inscription_r-CONFIG.extrusion.w/2;
   // TODO: properly calculate
   rv.column_r = rv.circumscription_r - 48.29;
   return rv;
+ })(),
+ duetholder: (function() {
+  var rv = {};
+  var s = CONFIG.base.sl;
+  var l = CONFIG.duet.hole_spacing.x;
+  var w = CONFIG.duet.hole_spacing.y;
+  var h = s*Math.cos(Math.PI/6);
+  var h1 = h*(1-l/s);
+  rv.distance = (h1-w)/3; // hole to side
+  return rv;
  })()
 };
 
 var U = {
  hypotenuse: function(a,b) {
   return Math.sqrt(Math.pow(a,2)+Math.pow(b,2));
  },
  peek: function(x,m) {
   console.log(x,m);
   return x;
  }
 };
 
 /* {h:,w:} */
 function nut(o) {
  var rv = CSG.cylinder({
   start:[0,0,0],end:[0,0,o.h],
   radius: o.w/2/Math.cos(Math.PI/6),
   resolution: 6
  });
  rv.properties.axis_connector = new CSG.Connector([0,0,0],[0,0,1],[0,1,0]);
  return rv;
 }
 
 var E3DV6 = {
  dimensions: {
   big_d: 22.3,
 
  },
  heatsink: function() {
   var fn = 16;
   var z=0;
   var unite = [ {d:16,h:3.7},{d:12,h:6},{d:16,h:3} ].map(function(x) {
    return CSG.cylinder({
     start: [0,0,z], end: [0,0,z-=x.h],
     radius: x.d/2, resolution: fn
    });
   });
   unite.push(CSG.cylinder({
    start:[0,0,z-=1.5], end:[0,0,z-=1],
    radius: 16/2, resolution: fn
   }));
   for(var i=0;i<11;++i) unite.push(CSG.cylinder({
    start:[0,0,z-=1.5], end:[0,0,z-=1],
    radius: this.dimensions.big_d/2, resolution: fn
   }));
   unite.push(CSG.cylinder({
    start:[0,0,z], end: [0,0,-12.7],