base extrusions

1 files changed, 16 insertions, 1 deletions

diff --git a/delta.jscad b/delta.jscad
index 9883003..be12b65 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -553,2 +553,16 @@ 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) {
@@ -562,2 +576,3 @@ function refaxes(o) {
 }
+
 function P(x) {
@@ -567,3 +582,3 @@ function P(x) {
 function main(params) {
- return P(E2020.extrusion({l:40})).setColor(0.7,0.7,0.7,0.7);
+ return refaxes().union(P(base_extrusions()));
 }