From 64cfec49d0f79a7a646f10d110905e542ccfb633 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 14 Feb 2016 00:28:34 +0000
Subject: [PATCH] bike-lipo-box: add a difference()/union() (nfc)

---
 bike-lipo-box.scad | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/bike-lipo-box.scad b/bike-lipo-box.scad
index 337e788..ba55fb3 100644
--- a/bike-lipo-box.scad
+++ b/bike-lipo-box.scad
@@ -229,11 +229,16 @@ module BoxPrint(){ ////toplevel
 
 module Lid(){ ////toplevel
   $sealingbox_sz = sb_box_sz;
-  AtSealingBox()
-    SealingBox_RectLid();
-  translate([0, -wallthick, -SealingBox_lidbigger()])
-    mirror([0,0,1])
-    StrapKeepers([ straps_every : straps_every : totx_inner-straps_every ]);
+  difference(){
+    union(){
+      AtSealingBox()
+	SealingBox_RectLid();
+      translate([0, -wallthick, -SealingBox_lidbigger()])
+	mirror([0,0,1])
+	StrapKeepers([ straps_every : straps_every
+		       : totx_inner-straps_every ]);
+    }
+  }
 }
 
 module LidPrint(){ ////toplevel
-- 
2.30.2