ksafe-base: side walls refactor, wip

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

diff --git a/ksafe-base.scad b/ksafe-base.scad
index 807ee299867bb80ea2cfbedc9a93b881ff730388..a4e51c4cee596611523f695f977270a7079914bc 100644 (file)
--- a/ksafe-base.scad
+++ b/ksafe-base.scad
@@ -157,10 +157,12 @@ module SWalls(ymin, ymax, t_bevel) {
       mirror([0,1,0])
       rotate([90,0,0])
       linear_extrude(height= ymax-ymin, convexity=10)
-      for (xm=[0,1]) {
-       mirror([xm,0])
-         translate([-hsz, 0])
-         children();
+      union(){
+        for (xm=[0,1]) {
+         mirror([xm,0])
+           translate([-hsz, 0])
+           children();
+       }
       }
   }
 }