sealing-box: add backing buttress for lid

diff --git a/sealing-box.scad.m4 b/sealing-box.scad.m4
index 47651937f2cff698afc3fd4edcb2ce7fe8b03490..486d36bb660006b5665096e629ece22acd149e49 100644 (file)
--- a/sealing-box.scad.m4
+++ b/sealing-box.scad.m4
@@ -129,12 +129,13 @@ module SealingBox_LidProfile(){
                 0])
       square([lidoverlap + innertube + tubesealrad,
              lidoverhang + innertube + ceilth]);
                 0])
       square([lidoverlap + innertube + tubesealrad,
              lidoverhang + innertube + ceilth]);

+      square([tubesealrad*2 + innertube + lidoverlap,
+             tubesealrad*1.5 + innertube + ceilth]);

     }
     hull(){
       translate([tubesealrad,
                 zbox - innertube - tubesealrad])
        for (t=[ [0,0],
     }
     hull(){
       translate([tubesealrad,
                 zbox - innertube - tubesealrad])
        for (t=[ [0,0],

-                [morex*2, 0],

                 [0, -zbox]
                 ]) {
          translate(t)
                 [0, -zbox]
                 ]) {
          translate(t)