X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sealing-box.scad.m4;fp=sealing-box.scad.m4;h=c9c530cfcc3c49164c03e9de785a645ebf8a3cc3;hb=1c827d0f2c5ad20e135b7c41fb255be8103a987c;hp=486d36bb660006b5665096e629ece22acd149e49;hpb=aed527d81d535a8f9e6dfb7c1ed50f23c377f2cd;p=reprap-play.git

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,