treefoi: more

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/treefoil.scad.pl b/treefoil.scad.pl
index 82b0c59b0feb8058b690f82d038edcdffc01e88a..160c175ddda7c8e0a712f75a955b37c62d12be0e 100755 (executable)
--- a/treefoil.scad.pl
+++ b/treefoil.scad.pl
@@ -37,7 +37,8 @@ while (<DATA>) { o $_ }
 
 __DATA__
 
-thick = 8;
+thick = 10;
+edgeu = 20;
 
 // calculated
 
@@ -45,9 +46,11 @@ 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);
+       }
     }
 }