From 8ceea8f9acc75b2de6a7fe879f5b3701cb5ecf2b Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 11 Oct 2017 00:49:19 +0100
Subject: [PATCH] poster-tube-lid: LimitForHandling: central part

---
 poster-tube-lid.scad | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 4c72ad2..d0986c9 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -214,18 +214,26 @@ module LimitForHandling(){ ////toplevel
     rotate([0,0,r]) {
       
     }
-  cylinder(r= handling_dia/2, h=20);
+  hull() rotate_extrude(){
+    translate([ handling_dia/2 - main_cnr, top_z - main_cnr ]) {
+      circle(r = main_cnr);
+      mirror([0,1]) square([ main_cnr, 50 ]);
+    }
+  }
+  //cylinder(r= handling_dia/2, h=20);
 }
 
 module Cover(){ ////toplevel
-  %LimitForHandling();
   render() difference(){
-    union(){
-      rotate_extrude(convexity=10)
-	translate([main_dia/2, 0])
-	MainProfile();
-      translate([0,0, middle_bot_z])
-	cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
+    intersection(){
+      union(){
+	rotate_extrude(convexity=10)
+	  translate([main_dia/2, 0])
+	  MainProfile();
+	translate([0,0, middle_bot_z])
+	  cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
+      }
+      %LimitForHandling();
     }
     for (r=[0,180]){
       rotate([0,0, r])
-- 
2.30.2