From 79d2c17aae2b852d1af73c3c2192430b87070935 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Wed, 06 Jan 2016 22:35:05 +0000
Subject: base extrusions

---
diff --git a/delta.jscad b/delta.jscad
index 9883003..be12b65 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -551,6 +551,20 @@ var E2020 = {
 
 var THREEWINDS = [0,120,240];
 
+function base_extrusions() {
+ var rv = union( 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 union( [0,CONFIG.extrusion.w+CONFIG.base.gap].map(function(z) {
+   return e.translate([0,0,z]);
+  }) ).rotateZ(w);
+ }) );
+ rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
+ return rv.setColor(CONFIG.color.extrusion);
+}
+
 function refaxes(o) {
  if(!o) o = {};
  var l = o.l||20, g = o.g||0.7;
@@ -560,12 +574,13 @@ function refaxes(o) {
   CSG.cylinder({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);
 }
 
 function main(params) {
- return P(E2020.extrusion({l:40})).setColor(0.7,0.7,0.7,0.7);
+ return refaxes().union(P(base_extrusions()));
 }
 
 function _main(params) {
--
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