From 4fa355dba6e9f9398ee199c500d083a9782c6369 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 21 Nov 2018 00:31:32 +0000
Subject: [PATCH] poster-tube-lid: catch wip, hook

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 poster-tube-lid.scad | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 4d4f01a..f1e21c5 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -86,6 +86,7 @@ catch_pin_height = 7;
 catch_stem_below_gap = 1.0;
 catch_stem_beside_gap = 2.0;
 catch_pin_gap = 0.5;
+catch_hook_slope = 0.15;
 
 // calculated
 
@@ -152,6 +153,7 @@ cpp0 = [ 0,
 	 cppB[1]
 	 + catch_knob_dia
 	 + catch_knob_above_gap ];
+cpp12 = cpp0 + [1,0] * (catch_pin_height * catch_hook_slope);
 cpp1 = cpp0 + [0,1] * catch_pin_height;
 cpp2 = cpp1 + [1,0] * catch_pin_width;
 cpp4 = cpp0 + [0,-1] * catch_stem_end_h;
@@ -522,21 +524,18 @@ module CatchCoreProfile(){ ////toplevel
   }
   translate(cpp8)
     circle(catch_cr);
-  translate(cpp0)
-    rotate(10)
-    translate(-cpp0)
-    polygon([
-	     cpp4,
-	     cppB,
-	     cpp3,
-	     cpp2,
-	     cpp1,
-	     cpp0
-	     ]);
+  polygon([
+	   cpp4,
+	   cppB,
+	   cpp3,
+	   cpp2,
+	   cpp1,
+	   cpp12,
+	   ]);
   difference(){
     polygon([ cpp4,
 	      cpp3,
-	      cpp0,
+	      cpp12,
 	      cppA,
 	      cppE,
 	      cppD,
-- 
2.30.2