From 7fc9f05c6d28fd6b866de39a01bdb58a9dc827d0 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 1 Aug 2015 17:39:14 +0100
Subject: [PATCH] pull-cord-keeper: wip, before cut up

---
 pull-cord-keeper.scad | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/pull-cord-keeper.scad b/pull-cord-keeper.scad
index b7a6aa7..115ca91 100644
--- a/pull-cord-keeper.scad
+++ b/pull-cord-keeper.scad
@@ -9,6 +9,8 @@ hcentredist = 10;
 blockdepth = 5;
 blockwidth = hcentredist*2 + 6;
 
+height = 20;
+
 module Oval(centredist, rad) {
   hull() {
     translate([-centredist/2,0,0]) circle(r=rad);
@@ -18,17 +20,20 @@ module Oval(centredist, rad) {
 
 module Hoop(){
   difference(){
-    Oval(hcentredist, houterrad);
+    hull(){
+      Oval(hcentredist, houterrad);
+      translate([0, (blockdepth + hoopthick)/2 + hinnerrad])
+	square([blockwidth,
+		blockdepth + hoopthick],
+	       center=true);
+    }
     Oval(hcentredist, hinnerrad);
   }
 }
 
 module Positive(){
-  Hoop();
-  translate([0, (blockdepth + hoopthick)/2 + hinnerrad])
-    square([blockwidth,
-	    blockdepth + hoopthick],
-	   center=true);
+  linear_extrude(height=20)
+    Hoop();
 }
 
 Positive();
-- 
2.30.2