toolbox-inserts: UniversalJoint: fix walls taller gaps

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/toolbox-inserts.scad b/toolbox-inserts.scad
index 19967cbcc0d275b72bddcede0d11808de69c0df2..6f8f08949d88053b065228ba6f30f1a08cb789c6 100644 (file)
--- a/toolbox-inserts.scad
+++ b/toolbox-inserts.scad
@@ -217,7 +217,9 @@ module WellSurround(
 
       translate(concat(offset, [0])) for (gap=gaps) {
        rotate([0,0,180]) linextr_y_xz(-100, 100)
-         WellSurroundGapElevation(well_stiffening_height, dz, 100, gap);
+         WellSurroundGapElevation(well_stiffening_height,
+                                  dz + walls_taller, 100,
+                                  gap);
       }
 
       for (hull_group = fixings)