toolbox-inserts: rails, use ellipse

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

diff --git a/toolbox-inserts.scad b/toolbox-inserts.scad
index 99b45eeb9b04a30bed06c94fe6d00ab33f5eb6ca..40c933587cc98462a1b7da6a2dfe39cd1f162df6 100644 (file)
--- a/toolbox-inserts.scad
+++ b/toolbox-inserts.scad
@@ -210,8 +210,7 @@ module RailMountCutoutElevation() {
 module RailMountPositiveElevation() {
   for (xs = [-1,+1]) {
     translate([ xs * rail_mount_nom_width/2, -below_plane_z/2 ])
-      scale([ rail_mount_side_nom_r_w / below_plane_z, 1 ])
-      circle(below_plane_z/2);
+      ellipse([ rail_mount_side_nom_r_w/2, below_plane_z/2 ]);
   }
 }