poster-tube-lid: StrapHoop: fix inside size

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 5d237f24270d6df4d6c4b4c6ed56a1145a384d9c..d6cd360ddc1c60e3f8709065fa8ce3370703e997 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -173,7 +173,7 @@ module StrapHoopProfile(){
 }
 
 module StrapHoop(){ ////toplevel
-  bigrad = strap_hoop_inside + strap_hoop_thick/2;
+  bigrad = strap_hoop_inside/2 + strap_hoop_thick/2;
   extralen = strap_hoop_thick * 5;
 
   intersection(){