From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 1 Aug 2015 16:39:14 +0000 (+0100)
Subject: pull-cord-keeper: wip, before cut up
X-Git-Tag: filamentspool-v2-release~178
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=7fc9f05c6d28fd6b866de39a01bdb58a9dc827d0

pull-cord-keeper: wip, before cut up
---

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();