powerbank-bike-clamp: mid strap

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

diff --git a/powerbank-bike-clamp.scad b/powerbank-bike-clamp.scad
index 1b3b15c31776ad9bd3023d8adf09e695bcaaa3bd..0759bd2de645dea4b1ca728ab4daa0addf522c56 100644 (file)
--- a/powerbank-bike-clamp.scad
+++ b/powerbank-bike-clamp.scad
@@ -66,8 +66,9 @@ brace_len = 50;
 
 // calculated
 
-straps_y = [ -bank_y_sz * 0.25,
-            +bank_y_sz * 0.25 ];
+straps_y = [ -bank_y_sz * 0.25, // these entries are special and used
+            +bank_y_sz * 0.25, //  for the brace struts
+            0 ];
 
 screw_head_behind = main_th;
 endwall_th = main_th;