From 1c827d0f2c5ad20e135b7c41fb255be8103a987c Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 14 Feb 2016 15:57:14 +0000
Subject: [PATCH] sealing-box: break out inner_buttress_h in LidProfile

---
 sealing-box.scad.m4 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sealing-box.scad.m4 b/sealing-box.scad.m4
index 486d36b..c9c530c 100644
--- a/sealing-box.scad.m4
+++ b/sealing-box.scad.m4
@@ -123,6 +123,8 @@ module SealingBox_LidProfile(){
   BoxLocals
   rad = tubesealrad + innertube;
   morex = wall;
+  inner_buttress_h = tubesealrad*1.5 + innertube + ceilth;
+
   difference(){
     translate([0, zbox + ceilth]) mirror([0,1]) {
       translate([-SealingBox_lidbigger(),
@@ -130,7 +132,7 @@ module SealingBox_LidProfile(){
       square([lidoverlap + innertube + tubesealrad,
 	      lidoverhang + innertube + ceilth]);
       square([tubesealrad*2 + innertube + lidoverlap,
-	      tubesealrad*1.5 + innertube + ceilth]);
+	      inner_buttress_h]);
     }
     hull(){
       translate([tubesealrad,
-- 
2.30.2