poster-tube-lid: catch: Introduce (and vary) catch_head_th

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 88c0c581eeb396a0c4f4e142079464dfb11b8ae5..d6190d85f83fc5d357ff9eebfaf7baef8e05c838 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -79,6 +79,7 @@ sm_closure_cnr = 3.0;
 
 catch_stalk_h = 3;
 catch_stalk_len = 50;
+catch_head_th = 3;
 
 catch_pin_slop = 0.25; // each side, and above
 catch_pin_slop_x_extra = 0.0; // only on one side
@@ -625,7 +626,7 @@ module CatchCore(){ /////toplevel
   linear_extrude(height=catch_strap_thick, convexity=10)
     CatchAssemblyCoreProfile();
 
-  linear_extrude(height=catch_strap_thick, convexity=10)
+  linear_extrude(height=catch_head_th, convexity=10)
     CatchHeadProfile();
 
   translate(concat(cppB,[0])) hull(){