pull-cord-keeper: wip, before cut up

diff --git a/pull-cord-keeper.scad b/pull-cord-keeper.scad
index b7a6aa7e6a9a929b6f9bba2c4b0a29bdcf93df6e..115ca91d010402029e1a20a1a7d6f8c8282d4bbf 100644 (file)
--- 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();