DROP ad-hoc difference for baselid

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

diff --git a/moebius-demo.scad b/moebius-demo.scad
index 373844dd5f56fc032fb7914d72ae4d2d7b8d6cff..a5712d8ccd82d6a30639be04df73bf9cc615660b 100644 (file)
--- a/moebius-demo.scad
+++ b/moebius-demo.scad
@@ -2,7 +2,7 @@
 
 include <moebius-core.scad>
 
-intersection(){
+difference(){
   MoebiusCore();
   translate([0,0,165])
     cube(center=true, 400);