From 91d3220113cc2f325e9c8eada870badd04680a3c Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 31 Aug 2015 23:08:56 +0100
Subject: [PATCH] pull-cord-keeper: hull the RoundEdges

---
 pull-cord-keeper.scad | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/pull-cord-keeper.scad b/pull-cord-keeper.scad
index b23ac47..ca05b9d 100644
--- a/pull-cord-keeper.scad
+++ b/pull-cord-keeper.scad
@@ -64,12 +64,14 @@ module RoundEdges(){
       OuterOval();
 
     for (xi=[-1,1]) {
-      for (yi=[-1,1]) {
-	translate([xi * (hcentredist/2 + hinnerrad),
-		   houterrad,
-		   yi * (height/2 - roundedgedia / 4 * sqrt(2))])
-	  rotate([90,0,0])
-	  cylinder(r=roundedgedia/2, h=houterrad*2, $fn=20);
+      hull(){
+	for (yi=[-1,1]) {
+	  translate([xi * (hcentredist/2 + hinnerrad),
+		     houterrad,
+		     yi * (height/2 - roundedgedia / 4 * sqrt(2))])
+	    rotate([90,0,0])
+	    cylinder(r=roundedgedia/2, h=houterrad*2, $fn=20);
+	}
       }
     }
   }
-- 
2.30.2