From 59a7256a88fecb14ee79f47d49abdc34df665b81 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Fri, 08 Jan 2016 22:11:51 +0000
Subject: duetholder math

---
diff --git a/delta.jscad b/delta.jscad
index 4716875..a1be156 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -117,6 +117,16 @@ var CD = {
   // 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;
  })()
 };
 
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