From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 7 Feb 2021 23:02:09 +0000 (+0000)
Subject: powerbank-bike-clamp: screw head fix
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=675997a7aed35a123c9be314f2d13b29c5892ce6;p=reprap-play.git

powerbank-bike-clamp: screw head fix

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

diff --git a/powerbank-bike-clamp.scad b/powerbank-bike-clamp.scad
index 7c92ae3..f72078d 100644
--- a/powerbank-bike-clamp.scad
+++ b/powerbank-bike-clamp.scad
@@ -13,7 +13,6 @@ screw = 5.0 + 0.75;
 screw_head = 8.7 + 1.2;
 screw_nut_across = 7.9 + 0.75;
 screw_nut_th = 3.9 + 0.75;
-screw_head_h = 3.6 + 0.75;
 
 knob_behind_across = 12.2 + 0.75;
 behind_knob_th = 5;
@@ -64,6 +63,7 @@ brace_len = 50;
 straps_y = [ -bank_y_sz * 0.25,
 	     +bank_y_sz * 0.25 ];
 
+screw_head_behind = main_th;
 endwall_th = main_th;
 
 bank_recess_dx = minor_wall_min;
@@ -154,7 +154,8 @@ module Screws(){
 	      screw_nut_across / cos(30) + bridge_slop*2],
 	     center=true);
 
-    linextr_x_yz(-200, -main_r + screw_head_h)
+    linextr_x_yz(-200,
+		 -(clamp_gap/2 + screw_nut_th + screw_head_behind))
       square([screw_head, screw_head + bridge_slop*2],
 	     center=true);
   }