From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 24 Jul 2023 18:15:58 +0000 (+0100)
Subject: topeak-mtx-tortec-expeditionrack-adapter: strengthen bolt (no angle)
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=29f9e1fef51d3b5bc31b183f5bb30d81de3dd825;p=reprap-play.git

topeak-mtx-tortec-expeditionrack-adapter: strengthen bolt (no angle)

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 e11b591..1b2355b 100644
--- a/topeak-mtx-tortec-expeditionrack-adapter.scad
+++ b/topeak-mtx-tortec-expeditionrack-adapter.scad
@@ -25,6 +25,7 @@ front_elevation_nominal = 3;
 cross_rail_distance = 232.09;
 
 general_gap_y = 1.0;
+support_bridge_gap_z = 1.0;
 
 strap_w = 8.0 + 1.0;
 strap_th = 2.5;
@@ -233,9 +234,10 @@ module BoltHole(){
     circle(brk_nearbolt_recess_dia/2);
 
   linextr_y_xz( -100, brk_bolt_nut_top_y ) {
-    circle( r= brk_bolt_nut_r, $fn = 6 );
-    translate([ 0, brk_bolt_nut_across_flats/2 ])
-      circle( r=brk_bolt_nut_r/2, $fn = 4);
+    hull()
+      for (dz = [0, support_bridge_gap_z])
+	translate([0, dz])
+	  circle( r= brk_bolt_nut_r, $fn = 6 );
   }
 }