From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 9 Aug 2015 07:57:43 +0000 (+0100)
Subject: brompton-computer-guard: commute difference() linear_extrude(), making MainCutout... 
X-Git-Tag: filamentspool-v2-release~164
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=8ee576a28d90ae9ca304b5dfac68f76a8f05af0c;p=reprap-play.git

brompton-computer-guard: commute difference() linear_extrude(), making MainCutout flat (nfc)
---

diff --git a/brompton-computer-guard.scad b/brompton-computer-guard.scad
index 94803d2..88f1994 100644
--- a/brompton-computer-guard.scad
+++ b/brompton-computer-guard.scad
@@ -64,23 +64,28 @@ module Holes(){
 }
 
 module MainCutout(){
-  translate([0,0,-1]) linear_extrude(height=100)
-    ArchCircle(arch_in_rad);
+  ArchCircle(arch_in_rad);
 }
 
 module Arch(){
   difference(){
     rotate([0,0,180]){
-      difference(){
-	linear_extrude(height=arch_breadth) ArchProfile(false);
-	MainCutout();
+      linear_extrude(height=arch_breadth) {
+	difference(){
+	  ArchProfile(false);
+	  MainCutout();
+	}
       }
       difference(){
-	linear_extrude(height=pbase_thick) hull(){
-	  ArchProfile(true);
-	  ArchProfile(false);
+	linear_extrude(height=pbase_thick){
+	  difference(){
+	    hull(){
+	      ArchProfile(true);
+	      ArchProfile(false);
+	    }
+	    MainCutout();
+	  }
 	}
-	MainCutout();
       }
     }
     Holes();