Would you think about adding a "flip course" button to ensure that it might work antinormal to your sketch? 0 james_aguilar160 Member Posts: 57 ✭✭ July 2024 I would most likely use the Hole Instrument. You are able to specify which the gap is tapped for an m4 screw. AFAICT https://thomasx592nub0.wikififfi.com/user