summit-lantern-hook: rounded ends

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

diff --git a/summit-lantern-hook.scad b/summit-lantern-hook.scad
index 7666889305a44c00833a3513217157f4a0cc162c..955199d6331fe7fcd77ba998bd044cd0ebbfc3be 100644 (file)
--- a/summit-lantern-hook.scad
+++ b/summit-lantern-hook.scad
@@ -47,8 +47,12 @@ module Lower(){
     square(center=true, [th, width]);
     for (m=[0,1])
       mirror([0,m])
-       translate([0, width/2 - th/2 ])
-       square(center=true, [ sides_depth, th ]);
+       hull()
+      {
+       for (x= sides_depth/2 * [-1,+1])
+         translate([ x, width/2 - th/2 ])
+           circle(r= th/2);
+      }
   }
 }