topeak-mtx-tortec-expeditionrack-adapter: stronger stem

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

diff --git a/topeak-mtx-tortec-expeditionrack-adapter.scad b/topeak-mtx-tortec-expeditionrack-adapter.scad
index a3310800b38e56c3f3355fef96314ba66bb2463f..832ec99387bf40873c6db74e2d1662bc4e64b97a 100644 (file)
--- a/topeak-mtx-tortec-expeditionrack-adapter.scad
+++ b/topeak-mtx-tortec-expeditionrack-adapter.scad
@@ -255,8 +255,16 @@ module FamGraspElevation(){
 }
 
 module FamStemElevation(){
-  rectfromto([ -$foreaftmaint_rail_z, adapt_main_top_y ],
-            [ 0, block_y_min]);
+  hull(){
+    rectfromto([ -$foreaftmaint_rail_z, adapt_main_top_y ],
+              [ 0, block_y_min]);
+    translate([
+              -$foreaftmaint_rail_z,
+              $rack_rail_y +
+              rack_shear_ratio * $foreaftmaint_rail_z * $reverse_sign,
+              ])
+      square([0.1, rack_rail_dia * 0.5], center=true);
+  }
 }
 
 module Principal(){