From 892cd79fc5a6853ac9efce9fc5d1cd75c1670599 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 9 Aug 2015 08:54:59 +0100
Subject: [PATCH] brompton-computer-guard: distribute difference() with
 MainCutout (nfc)

---
 brompton-computer-guard.scad | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/brompton-computer-guard.scad b/brompton-computer-guard.scad
index ea334d5..94803d2 100644
--- a/brompton-computer-guard.scad
+++ b/brompton-computer-guard.scad
@@ -72,12 +72,13 @@ module Arch(){
   difference(){
     rotate([0,0,180]){
       difference(){
-	union(){
-	  linear_extrude(height=arch_breadth) ArchProfile(false);
-	  linear_extrude(height=pbase_thick) hull(){
-	    ArchProfile(true);
-	    ArchProfile(false);
-	  }
+	linear_extrude(height=arch_breadth) ArchProfile(false);
+	MainCutout();
+      }
+      difference(){
+	linear_extrude(height=pbase_thick) hull(){
+	  ArchProfile(true);
+	  ArchProfile(false);
 	}
 	MainCutout();
       }
-- 
2.30.2