toolbox-inserts: remove edge holes a different way (prep)

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

diff --git a/toolbox-inserts.scad b/toolbox-inserts.scad
index 6499c934cec5a657213e54202b0a36fa12c8550f..75518aac3d144ee3e1369cef1b4f2ecb1f04acea 100644 (file)
--- a/toolbox-inserts.scad
+++ b/toolbox-inserts.scad
@@ -190,8 +190,8 @@ module BoxBottomModel() { ////toplevel
 }
 
 module AtFixings() {
-  n_x = ceil(box_x / fixing_pitch / 2) + 1;
-  n_y = ceil(box_y / fixing_pitch / 2) + 1;
+  n_x = floor( box_x / fixing_pitch        / 2);
+  n_y = floor((box_y / fixing_pitch - 1.0) / 2);
 
   for (xi=[-n_x : n_x])
     if (xi != 0)