duet holder

1 files changed, 56 insertions, 0 deletions

diff --git a/delta.jscad b/delta.jscad
index 5c63b41..dcf6fcc 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -287,486 +287,542 @@ var EFFECTOR = {
     corner1: [s*hinges_apart,e.o-e.hinge.margin-e.hinge.d/2,e.h],
     corner2: [s*(hinges_apart+e.hinge.w),e.o+e.hinge.margin+e.hinge.d/2,e.h+e.hinge.h]
    }).union(CSG.cylinder({
     start: [s*hinges_apart,e.o,e.h+e.hinge.h],
     end: [s*(hinges_apart+e.hinge.w),e.o,e.h+e.hinge.h],
     radius: e.hinge.d/2+e.hinge.margin
    })).subtract(CSG.cylinder({
     start: [s*(hinges_apart-1),e.o,e.h+e.hinge.h],
     end: [s*(hinges_apart+e.hinge.w+1),e.o,e.h+e.hinge.h],
     radius: e.hinge.d/2
    }));
   }));
   // add clamp guides
   var cgrr = e.guide.width/3;
   rv = rv.union([-1,1].map(function guide(s) {
    return CSG.roundedCube({
     center: [s*(e.mswitch.size[0]+PRINT.slide_tolerance+e.guide.width)/2,-rcorner+e.guide.length/2,e.h+e.guide.height/2-cgrr],
     radius: [e.guide.width/2,e.guide.length/2,e.guide.height/2+cgrr],
     roundradius: cgrr
    }).intersect(CSG.cube({
      center: [s*(e.mswitch.size[0]+PRINT.slide_tolerance+e.guide.width)/2,-rcorner+e.guide.length/2,e.h+e.guide.height/2],
      radius: [e.guide.width/2,e.guide.length/2,e.guide.height/2+.1],
      roundradius: cgrr
    }));
   }));
   rv.properties.grove_connector = new CSG.Connector([0,0,e.h+e.hinge.e+6/2],[0,0,1],[1,0,0]);
   rv.properties.rcorner = rcorner;
   return rv.setColor([0.4,0.8,0.4,0.9]);
  },
  hinged: function effector_hinged(o) {
   var e = CONFIG.effector;
   var conel = e.rodend.screw_l-e.rodend.joint_w;
   var hinges_apart = e.rods_apart/2-conel;
   var hhr = e.o-e.hinge.d/2-e.hinge.margin; // hotend holder radius
   var hhh = CONFIG.hotend.groove.h+CONFIG.hotend.ungroove.above;
   var rv = CSG.cylinder({ /* hinge */
    start: [-hinges_apart+PRINT.slide_tolerance,e.o,e.h+e.hinge.h],
    end: [hinges_apart-PRINT.slide_tolerance,e.o,e.h+e.hinge.h],
    radius: e.hinge.d/2+e.hinge.margin
   }).union( /* lower hotend holder */
    CSG.cylinder({
     start: [0,0,e.h+e.hinge.e], end: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h],
     radius: hhr
    }).subtract(CSG.cylinder({
     start: [0,0,e.h+e.hinge.e-1], end: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h+1],
     radius: CONFIG.hotend.groove.d/2 +PRINT.fit_tolerance
    }))
   ).union( /* upper hotend holder */
    CSG.cylinder({
     start: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h],
     end: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h+CONFIG.hotend.ungroove.above],
     radius: hhr
    }).subtract(CSG.cylinder({
     start: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h-1],
     end: [0,0,e.h+e.hinge.e+CONFIG.hotend.groove.h+CONFIG.hotend.ungroove.above+1],
     radius: CONFIG.hotend.ungroove.d/2 +PRINT.fit_tolerance
    }))
   ).union( /* connect mount with hinge */
    CSG.cube({
     corner1: [-hinges_apart+PRINT.slide_tolerance,CONFIG.hotend.ungroove.d/2+PRINT.fit_tolerance,e.h+e.hinge.e],
     corner2: [hinges_apart-PRINT.slide_tolerance,e.o,e.h+e.hinge.h+e.hinge.d/2+e.hinge.margin]
    })
   ).subtract( /* hinge screwhole */
    CSG.cylinder({
     start: [-hinges_apart-1,e.o,e.h+e.hinge.h],
     end: [hinges_apart+1,e.o,e.h+e.hinge.h],
     radius: e.hinge.d/2
    })
   ).union( /* hold clamp together */
    [-1,1].map(function(s) {
     return CSG.roundedCube({
      corner1: [s*(-hhr-e.clamp.margin*2-e.clamp.d),-e.clamp.shell,e.h+e.hinge.e],
      corner2: [s*(-CONFIG.hotend.ungroove.d/2-PRINT.fit_tolerance),+e.clamp.shell,e.h+e.hinge.e+hhh],
      roundradius: 1.5
     });
    })
   ).subtract( /* screws for holding clamp */
    [-1,1].map(function(s) {
     var nuthole = nut(CONFIG.nut);
     var x = s*(-hhr-e.clamp.margin-e.clamp.d/2);
     return CSG.cylinder({
      start: [x,-e.clamp.shell-1,e.h+e.hinge.e+hhh/2],
      end: [x,e.clamp.shell+1,e.h+e.hinge.e+hhh/2],
      radius: e.clamp.d/2
     }).union(nuthole.connectTo(
      nuthole.properties.axis_connector,
      new CSG.Connector([x,e.clamp.shell,e.h+e.hinge.e+hhh/2],[0,-1,0],[0,0,1]),
      false, 0
     )).union(CSG.cylinder({
      start: [x,-e.clamp.shell-1,e.h+e.hinge.e+hhh/2],
      end: [x,0,e.h+e.hinge.e+hhh/2],
      radius: e.clamp.d/2+PRINT.slide_tolerance
     }));
    })
   );
   var ms = o.microswitch;
   var msedge = o.effector.properties.rcorner;
   var msh = 9.5; // microswitch holes apart
   var mshh = Math.abs(ms.properties.switch_connector.point.z-ms.properties.screw_connector[0].point.z); // microswitch holes height
   rv = rv.union(CSG.cube({ // connect clamp with microswitch
    corner1: [-ms.properties.microswitch.size.x/2,-msedge+.1,e.h+e.hinge.e],
    corner2: [+ms.properties.microswitch.size.x/2,-CONFIG.hotend.ungroove.d/2-PRINT.fit_tolerance,e.h+e.hinge.e+hhh]
   })).union([-msh/2,msh/2].map(function(x) { // shell for microswitch screws
     return CSG.roundedCylinder({
      start: [x,-CONFIG.hotend.ungroove.d/2-PRINT.fit_tolerance-(e.mswitch.screw.d/2+e.mswitch.screw.s),e.h+e.hinge.e+mshh],
      end: [x,-msedge+ms.properties.microswitch.size.y,e.h+e.hinge.e+mshh],
      radius: e.mswitch.screw.d/2+e.mswitch.screw.s
     });
   })).subtract(CSG.cube({ // cut off excess if any
    corner1:[-hhr,-msedge+ms.properties.microswitch.size.y,e.h+e.hinge.e-1],
    corner2:[hhr,-msedge-1,e.h+e.hinge.e+hhh+e.mswitch.screw.d+e.mswitch.screw.s+1]
   })).subtract([-msh/2,msh/2].map(function(x) { return CSG.roundedCylinder({ // screwholes
    start: [x,-CONFIG.hotend.ungroove.d/2-PRINT.fit_tolerance-(e.mswitch.screw.d/2+e.mswitch.screw.s),e.h+e.hinge.e+mshh],
    end: [x,-msedge+ms.properties.microswitch.size.y,e.h+e.hinge.e+mshh],
    radius: e.mswitch.screw.d/2
   })})).subtract(CSG.cylinder({ // pulldown screw
    start:[0,-msedge+ms.properties.microswitch.size.y+3/2/*XXX:config*/+PRINT.extrusion_width,e.h+e.hinge.e-1],
    end:[0,-msedge+ms.properties.microswitch.size.y+3/2/*XXX:config*/+PRINT.extrusion_width,e.h+e.hinge.e+hhh+1],
    radius: 3/2/*XXX:config*/
   }));
   rv.properties.microswitch_screw_connector = new CSG.Properties();
   [-msh/2,msh/2].forEach(function(x,i) {
    rv.properties.microswitch_screw_connector[i] = new CSG.Connector(
     [x,-msedge,e.h+e.hinge.e+mshh],
     [0,1,0], [0,0,-1]
    );
   });
   return rv.setColor([0.3,0.8,0.3,0.9]);
  },
  split_hinged: function effector_split_hinged(hinged) {
   var e = CONFIG.effector;
   var b = hinged.getBounds();
   var ymax = Math.max(Math.abs(b[0].y),Math.abs(b[1].y));
   var zmax = Math.max(b[0].z,b[1].z);
   return [-1,1].map(function(s) {
    return hinged.intersect(CSG.cube({
     corner1: [Math.min(b[0].x,b[1].x)-1,s*e.clamp.split/2,-zmax-1],
     corner2: [Math.max(b[0].x,b[1].x)+1,s*(ymax+1),zmax+1]
    }));
   });
  },
  fanholder: function effector_fanholder() {
   var fh = CONFIG.effector.fanholder;
   var od = fh.screw.d+2*fh.screw.m;
   return linear_extrude({height:fh.w},hull(
    CAG.circle({center:[0,-this.rmount],radius:od/2}),
    CAG.circle({center:[0,-fh.r+od/2+fh.w/2],radius:fh.w/2})
   )).translate([0,0,-fh.w]).union(
    linear_extrude({height:fh.w},hull(
     CAG.circle({center:[fh.w/2,-this.rmount-od/2-fh.w/2],radius:fh.w/2}),
     CAG.circle({center:[od/2,-fh.r],radius:od/2})
    )).rotateY(90).translate([-fh.w/2,0,0])
   ).subtract( CSG.cylinder({
    start: [-fh.w,-fh.r,-od/2],
    end: [fh.w,-fh.r,-od/2],
    radius: fh.screw.d/2
   })).subtract( CSG.cylinder({
    start: [0,-this.rmount,1],
    end: [0,-this.rmount,-fh.w-1],
    radius: fh.screw.d/2
   })).setColor([0.3,0.8,0.3,0.9]).rotateZ(-120);
  }
 };
 
 function columns() {
  var rv = [0,1,2].map(function(x) {
   return union(vector_char(0,0,String.fromCharCode('A'.charCodeAt(0)+x)).segments.map(function(x) {
    return rectangular_extrude(x,{w:2,h:1});
   })).center().rotateX(90).translate([0,50,0]).rotateZ(x*120+120);
  });
  return union(rv);
 }
 
 function microswitch() {
  var screw_connector = new CSG.Properties();
  var rv = CSG.cube({ center:[0,0,2.5],radius: [19.8/2,6/2,10/2] }).union(
   CSG.cube({ center: [2.5,0.5,6], radius: [2/2,3.5/2,5/2] })
  ).union(
   [-8,-1,8].map(function(x) {
    return CSG.cube({ center:[x,0,0], radius: [0.6/2,3.2/2,13/2] })
   })
  ).subtract(
   [-9.5/2,9.5/2].map(function(x,i) {
    screw_connector[i] = new CSG.Connector([x,6/2,0],[0,-1,0],[0,0,1]);
    return CSG.cylinder({
     start: [x,-4,0], end: [x,4,0],
     radius: 2/2
    })
   })
  );
  rv.properties.switch_connector = new CSG.Connector([2.5,0.5,6+5/2],[0,0,1],[0,-1,0]);
  rv.properties.screw_connector = screw_connector;
  rv.properties.microswitch = new CSG.Properties();
  rv.properties.microswitch.size = new CSG.Vector3D(
   19.8,6,10
  );
  return rv;
 }
 
 var FOURWINDS = [0,90,180,270];
 
 var E2020 = {
  outer: 20, thickness: 1.8,
  roundius: 1, centerhole: 5,
  slot_width: 6,
  T: { width: 10, thickness: 1.5, depth: 6.5 },
 
  extrusion: function(o) {
   if(!o) o = {};
   var e = o.extrusion || this;
   var l = o.l||5;
   var iy = e.outer/2-e.T.depth;
   var ix = e.T.width/2-(e.outer/2-iy-e.thickness-e.T.thickness);
   var rv = CAG.roundedRectangle({
    corner1: [-e.outer/2,-e.outer/2], corner2: [e.outer/2,e.outer/2],
    roundradius: e.roundius
   }).subtract(
    FOURWINDS.map(function(w) {
     return CAG.fromPoints([
      [  e.slot_width/2,e.outer/2+1],
      [  e.slot_width/2,e.outer/2-e.thickness],
      [  e.T.width/2,e.outer/2-e.thickness],
      [  e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
      [  ix, iy ],
      [ -ix, iy ],
      [ -e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
      [ -e.T.width/2,e.outer/2-e.thickness],
      [ -e.slot_width/2,e.outer/2-e.thickness],
      [ -e.slot_width/2,e.outer/2+1],
     ]).rotateZ(w);
    })
   ).subtract(CAG.circle({
    center: [0,0], radius: e.centerhole/2
   })).extrude({offset:[0,0,l]});
   rv.properties.c_top=rv.properties.c_left
    = new CSG.Connector([0,0,l],[0,0,-1],[1,0,0]);
   rv.properties.c_bottom=rv.properties.c_right
    = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
   rv.properties.c_midway = new CSG.Connector([0,0,l/2],[0,0,1],[1,0,0]);
   rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
   rv.properties.vitamin = true;
   return rv;
  },
 
  cap: function extrusion_cap(o) {
   if(!o) o = {};
   var e = o.extrusion || this;
   var thickness = o.thickness||2, l = o.l||5;
   var rv = CSG.roundedCube({
    corner1: [-e.outer/2,-e.outer/2,thickness],
    corner2: [e.outer/2,e.outer/2,0],
    roundradius: [e.roundius,e.roundius,0]
   });
   var fw = [0,90,180,270]; // four winds
   var iy = e.outer/2-e.T.depth;
   var ix = e.T.width/2-(e.outer/2-iy-e.thickness-e.T.thickness);
   rv = rv.union(fw.map(function(w) {
    return CAG.fromPoints([
     [  e.slot_width/2,e.outer/2],
     [  e.slot_width/2,e.outer/2-e.thickness],
     [  e.T.width/2,e.outer/2-e.thickness],
     [  e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
     [  ix, iy ],
     [ -ix, iy ],
     [ -e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
     [ -e.T.width/2,e.outer/2-e.thickness],
     [ -e.slot_width/2,e.outer/2-e.thickness],
     [ -e.slot_width/2,e.outer/2],
    ]).extrude({offset:[0,0,l+thickness]}).rotateZ(w);
   }));
   rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
   return rv;
  }
 };
 
 var THREEWINDS = [0,120,240];
 
 function base_sides() {
  return [0,1].map(function(l) {
   return THREEWINDS.map(function(w) {
    var e = E2020.extrusion({l:CONFIG.base.el});
    e = e.connectTo(e.properties.c_midway,
     new CSG.Connector([0,-CD.base.mid_inscription_r,CONFIG.extrusion.w/2],[1,0,0],[0,0,1]),
     false, 0);
    return ( e.translate([0,0,CONFIG.foot.h+l*(CONFIG.extrusion.w+CONFIG.base.gap)])
     .rotateZ(w)
     .setColor(CONFIG.color.extrusion) );
   });
  });
 }
 function base_extrusions() {
  var rv = union( base_sides().map(function(x){return union(x)}) );
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
  return rv;
 }
 
 function columns() {
  return THREEWINDS.map(function(w) {
   return (E2020.extrusion({l:CONFIG.column.h})
    .translate([0,CD.base.column_r,CONFIG.foot.h])
    .rotateZ(w).setColor(CONFIG.color.extrusion)
   );
  });
 }
 function column_extrusions() {
  var rv = union( columns() );
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
  return rv;
 }
 
 function duet() {
  var C = CONFIG.duet;
  var pholes = new CSG.Properties();
  var hx = C.hole_spacing.x/2;
  var hy = C.hole_spacing.y/2;
  var hh = { nw: [-1,1], ne: [1,1], se: [1,-1], sw: [-1,-1] };
  var holes = [];
  for(w in hh) {
   var h = hh[w],_x=h[0]*hx,_y=h[1]*hy;
   holes.push(CSG.cylinder({start:[_x,_y,-1],end:[_x,_y,C.pcb_size.z+1],radius:3/2}));
   pholes['c_'+w] = new CSG.Connector([_x,_y,0],[0,0,1],[1,0,0]);
  }
  rv = CSG.cube({
   corner1: [-C.pcb_size.x/2, -C.pcb_size.y/2,            0],
   corner2: [ C.pcb_size.x/2,  C.pcb_size.y/2, C.pcb_size.z]
  }).subtract(holes).setColor(CONFIG.color.pcb).union(
   CSG.cube({
    corner1: [-C.pcb_size.x/2,-C.hole_spacing.y/2+3,C.pcb_size.z],
    corner2: [ C.pcb_size.x/2, C.hole_spacing.y/2-3,C.h]
   }).setColor(CONFIG.color.bulk)
  );
  rv.properties.holes = pholes;
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
  rv.properties.vitamin = true;
  return rv;
 }
 
 function foot() {
  var F = CONFIG.foot;
  var br = F.bolt.hd/2+F.margin;
  var bh = F.zscalefactor*Math.sqrt(Math.pow(F.d/2,2)-Math.pow(br,2));
  var th = F.h-bh;
  var r = 2*F.d;
  var rv = CSG.sphere({ // botom contorted sphere
   center: [0,0,0], radius: F.d/2, resolution: r
  }).scale([1,1,F.zscalefactor]).translate([0,0,bh]).union(CSG.cylinder({ // top hat
   start: [0,0,bh], end: [0,0,F.h], radius: F.d/2, resolution: r
  })).intersect(CSG.cylinder({ // cut off excess
   start: [0,0,0], end: [0,0,F.h], radius: F.d
  })).subtract([
    CSG.cylinder({ // bolt hole
    start: [0,0,-1], end: [0,0,F.h+1], radius: F.bolt.d/2+PRINT.slide_tolerance
   }), CSG.cylinder({ // nut hole
    start: [0,0,F.h-F.nut.h-PRINT.play_tolerance],
    end: [0,0,F.h],
    radius: F.nut.d/2+PRINT.slide_tolerance, resolution: 6
   }), CSG.cylinder({ // bolthead/washer hole
    start: [0,0,-1], end: [0,0,F.h-F.nut.h-PRINT.play_tolerance-F.shell],
    radius: F.bolt.hd/2+PRINT.play_tolerance
   })
  ]).union(CSG.cylinder({ // bridging patch
   start: [0,0,F.h-F.nut.h-PRINT.play_tolerance-PRINT.layer_height],
   end: [0,0,F.h-F.nut.h-PRINT.play_tolerance],
   radius: F.nut.d/2
  }));
  rv.properties.c_column = new CSG.Connector([0,0,F.h],[0,0,1],[1,0,0]);
  rv.properties.P = new CSG.Connector([0,0,F.h],[0,0,-1],[1,0,0]);
  return rv.setColor(CONFIG.color.parts);
 }
 function foot_foot() {
  // TODO: connect in the altogethernow?
  var F = CONFIG.foot;
  var rv = CSG.cylinder({
   start: [0,0,0], end: [0,0,F.foot.ho],
   radius: F.bolt.hd/2+F.margin
  }).union(CSG.cylinder({
   start: [0,0,0], end: [0,0,F.foot.ho+F.foot.hi],
   radius: F.bolt.hd/2+PRINT.play_tolerance-PRINT.fit_tolerance
  }));
  rv.properties.c_foot = new CSG.Connector([0,0,F.foot.ho],[0,0,1],[1,0,0]);
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
  return rv.setColor(CONFIG.color.softparts);
 }
 
+function duetholder() {
+ var DH = CONFIG.duetholder;
+ var DHD = CD.duetholder;
+ var hw = DH.bolt.head.d+2*DH.margin;
+ var s = DH.bolt.l-CONFIG.extrusion.slotdepth+PRINT.play_tolerance*2;
+ var lower = CONFIG.foot.h-2*DH.s;
+ var hl = DHD.distance-CONFIG.extrusion.w;
+ var rv = union([
+  CSG.cube({ // vertical
+   corner1: [-hw/2,s,CONFIG.extrusion.w],
+   corner2: [hw/2,0,-lower]
+  }),
+  CSG.cube({ // horizontal extrusion
+   corner1: [-hw/2,-CONFIG.extrusion.w,0],
+   corner2: [ hw/2,0,-s]
+  }),
+  CSG.cube({ // horizontal
+   corner1: [-hw/2,0,-lower],
+   corner2: [hw/2,hl,-lower+DH.s]
+  }),
+  CSG.cylinder({ // boltend of horizontal part
+   start: [0,hl,-lower], end: [0,hl,-lower+DH.s],
+   radius: hw/2
+  })
+ ]);
+ rv = rv.subtract([
+  CSG.cylinder({ // through vertical
+   start: [0,-1,CONFIG.extrusion.w/2], end: [0,s+1,CONFIG.extrusion.w/2],
+   radius: DH.bolt.d/2+PRINT.slide_tolerance
+  }),
+  CSG.cylinder({ // through horizontal to extrusion
+   start: [0,-CONFIG.extrusion.w/2,-s-1],
+   end: [0,-CONFIG.extrusion.w/2,1],
+   radius: DH.bolt.d/2+PRINT.slide_tolerance
+  }),
+  CSG.cube({ // cut off
+   corner1: [-hw/2-1,-2*s,0],
+   corner2: [hw/2+1,0,-2*s]
+  }).rotateX(45).translate([0,-CONFIG.extrusion.w,0]),
+  CSG.cylinder({ // duet bolt
+   start: [0,hl,-lower], end: [0,hl,-lower+DH.s],
+   radius: DH.bolt.d/2+PRINT.slide_tolerance
+  })
+ ]);
+ var cp = [0,hl,-lower+DH.s];
+ rv.properties.duet = new CSG.Properties();
+ rv.properties.duet.c_sw = new CSG.Connector(cp,[0,0,1],[1,0,0]);
+ rv.properties.duet.c_se = new CSG.Connector(cp,[0,0,1],[1,0,0]);
+ rv.properties.duet.c_ne = new CSG.Connector(cp,[0,0,1],[-Math.cos(Math.PI/3),-Math.sin(Math.PI/3),0]);
+ rv.properties.duet.c_nw = new CSG.Connector(cp,[0,0,1],[-Math.cos(Math.PI/3),Math.sin(Math.PI/3),0]);
+ rv.properties.c_h = new CSG.Connector([0,-CONFIG.extrusion.w/2,0],[0,0,1],[1,0,0]);
+ rv.properties.c_v = new CSG.Connector([0,0,CONFIG.extrusion.w/2],[0,-1,0],[0,0,1]);
+ rv.properties.P = new CSG.Connector([-hw/2,0,0],[1,0,0],[0,1,0]);
+ return rv.setColor(CONFIG.color.parts);
+}
+
 function refaxes(o) {
  if(!o) o = {};
  var l = o.l||20, g = o.g||0.7;
  return union([
   CSG.roundedCylinder({start:[0,0,0],end:[l,0,0]}).setColor([1,0,0,g]),
   CSG.roundedCylinder({start:[0,0,0],end:[0,l,0]}).setColor([0,1,0,g]),
   CSG.roundedCylinder({start:[0,0,0],end:[0,0,l]}).setColor([0,0,1,g])
  ]);
 }
 
 function P(x) {
  return x.connectTo(x.properties.P,new CSG.Connector([0,0,0],[0,0,1],[1,0,0]), false, 0);
 }
 
 var PARTS = {
  wip: function(params) {
   return foot();
   return union(base_extrusions(),column_extrusions(),duet());
  alltogethernow: function(params) {
   var cols = columns();
   var sides = base_sides();
   var feet = THREEWINDS.map(function(w,i) {
    var rv = foot();
    rv = rv.connectTo(rv.properties.c_column,cols[i].properties.c_bottom,false,0);
    return rv;
   });
   var rv = union(cols).union(sides.map(union)).union(feet);
   rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
   return rv;
  }
 };
 
 function main(params) {
  var part = params.part && PARTS[params.part];
  if(!part) return refaxes();
  var rv = P(part(params));
  if(!params.print) rv = rv.union(refaxes());
  return rv;
 }
 
 function _main(params) {
  var e = EFFECTOR.effector();
  var hs = E3DV6.heatsink();
  hs = hs.connectTo(hs.properties.grove_connector,e.properties.grove_connector,false,0);
  var ms = microswitch();
  var hd = EFFECTOR.hinged({
   microswitch:ms,effector:e
  });
  ms = ms.connectTo(
   ms.properties.screw_connector[0],
   hd.properties.microswitch_screw_connector[0],
   false, 0);
  var hdhd = EFFECTOR.split_hinged(hd);
  var fh = EFFECTOR.fanholder();
  return union({
   platform: e,
   hinged: hdhd[1],
   clamp: hdhd[0],
   fanholder: fh,
   alltogethernow: [e,hdhd[0],hdhd[1], columns(),hs,ms,fh]
  }[params.part||'alltogethernow'])
  var rv = union(
   e,
   hs,
   columns(),
   ///hd,
   hdhd[0], hdhd[1],
   ms);
  return rv;
 }
 
 function getParameterDefinitions() {
  return [{
   name: 'part',
   type: 'choice',
   values: [
    'platform',
    'hinged',
    'clamp',
    'fanholder',
    'alltogethernow',
    'wip'
   ],
   captions: [
    'Effector platform',
    'Hinged part',
    'Clamp',
    'Fan holder',
    'All together now!',
    'Work in progress'
   ],
   caption: 'Part',
   initial: 'wip'
  },{
   name: 'print',
   type: 'checkbox',
   caption: 'For print, no nonsense',
   initial: false
  }];
 }
 
 /* vim:set ft=javascript ai: */