powerbank-bike-clamp: fix screw head space

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

diff --git a/powerbank-bike-clamp.scad b/powerbank-bike-clamp.scad
index b2a03a280acb4068e3b17bd6c0a53e2fa3cfb75e..50518acb6767940139bba01b1ee086083a41c5e1 100644 (file)
--- a/powerbank-bike-clamp.scad
+++ b/powerbank-bike-clamp.scad
@@ -15,6 +15,7 @@ minor_wall_min = 1;
 
 screw = 5.0 + 0.75;
 screw_head = 8.7 + 1.2;
+screw_head_space_above = 10;
 screw_nut_across = 7.9 + 0.75;
 screw_nut_th = 3.9 + 0.75;
 
@@ -171,7 +172,7 @@ module Screws(){
              screw_nut_across / cos(30) + bridge_slop*2],
             center=true);
 
-    linextr_x_yz(-200,
+    linextr_x_yz(-(main_r + bank_recess_y + screw_head_space_above),
                 -(clamp_gap/2 + screw_nut_th + screw_head_behind))
       square([screw_head, screw_head + bridge_slop*2],
             center=true);