From 4cb92354224641376d311adc7589ebb4bdc5639d Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Wed, 06 Jan 2016 23:46:31 +0000
Subject: duet()

---
diff --git a/delta.jscad b/delta.jscad
index 043f6f8..b3bb3d3 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -557,6 +557,33 @@ function column_extrusions() {
  return rv.setColor(CONFIG.color.extrusion);
 }
 
+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 refaxes(o) {
  if(!o) o = {};
  var l = o.l||20, g = o.g||0.7;
--
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