From 4aa36d5c1ecf05df6344cea7cbb57d2cc847a842 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 27 May 2014 22:36:50 +0100
Subject: [PATCH] brompton-computer-guard: swap difference/union, nfc

---
 brompton-computer-guard.scad | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/brompton-computer-guard.scad b/brompton-computer-guard.scad
index 6a484ee..709ee11 100644
--- a/brompton-computer-guard.scad
+++ b/brompton-computer-guard.scad
@@ -32,15 +32,15 @@ module ArchProfile(){
   intersection(){
     translate([-200,0])
       square([400,200]);
-    union(){
-      difference(){
+    difference(){
+      union(){
 	ArchCircle(arch_in_rad + arch_thick);
-	ArchCircle(arch_in_rad);
+	for (m=[0,1])
+	  mirror([m,0])
+	    translate([arch_width/2,0])
+	    square([end_width, end_thick]);
       }
-      for (m=[0,1])
-	mirror([m,0])
-	  translate([arch_width/2,0])
-	  square([end_width, end_thick]);
+      ArchCircle(arch_in_rad);
     }
   }
 }
-- 
2.30.2