+module ThroughHole(r, y, z) {
+ translate([-50, y, z])
+ rotate([0, 90, 0])
+ cylinder(r=r, h=100, $fn=20);
+}
+
+module ThroughHoles(){
+ for (z=[ 1/4, 3/4 ]) {
+ ThroughHole( mountscrew_dia/2,
+ -tube_or -0.5*backflange_d,
+ total_h * z );
+ }
+
+ ThroughHole( clipbolt_dia/2,
+ lock_0y + lock_d/2 + clip_d/2,
+ total_h - cliprecess_h - clip_th - clip_d/2 );
+}
+