sealing-box: break out inner_buttress_h in LidProfile

diff --git a/sealing-box.scad.m4 b/sealing-box.scad.m4
index 486d36bb660006b5665096e629ece22acd149e49..c9c530cfcc3c49164c03e9de785a645ebf8a3cc3 100644 (file)
--- 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,