X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=treefoil.scad.pl;h=28e840e01dfc77a510c64c6ada8a7312ce7994a4;hp=82b0c59b0feb8058b690f82d038edcdffc01e88a;hb=19dabba52eb83aa8ad1d7381ef1d06cfff10e6f1;hpb=0aab309501e2f387193d20aa8cc2d6402de47e4b

diff --git a/treefoil.scad.pl b/treefoil.scad.pl
index 82b0c59..28e840e 100755
--- a/treefoil.scad.pl
+++ b/treefoil.scad.pl
@@ -37,7 +37,8 @@ while (<DATA>) { o $_ }
 
 __DATA__
 
-thick = 8;
+thick = 7;
+edgeu = 10;
 
 // calculated
 
@@ -45,12 +46,24 @@ octa_long = thick;
 octa_short = octa_long / (1 + sqrt(2));
 
 module OctaThing() {
-    foreach (r = [[0,0,0], [90,0,0], [0,90,0]]) {
-	rotate(r)
-	    cube([ octa_short,octa_short, octa_long ], center=true);
+    hull(){
+	for (r = [[0,0,0], [90,0,0], [0,90,0]]) {
+	    rotate(r)
+		cube([ octa_short,octa_short, octa_long ], center=true);
+	}
     }
 }
 
-OctaThing();
+module TraceEdge(p,q) {
+    hull(){
+        for (x=[p,q]) {
+            translate(x * edgeu)
+                OctaThing();
+        }
+    }
+}
+
+rotate([-45,0,0])
+  Trace();