This is a 3D-printed 90 and 45-degree drilling guide. This is super helpful when doing woodworking so that you can easily and accurately ensure you're going in at the correct and desired angle.
Drilling guide for 3, 4 5 6 8 and 10 mm Drill.
Holes are at 90 and 45°. There are ribs to indicate the drilling position of each hole.
Available in multiple colors.
Design credit to helasius@Thingiverse:https://www.thingiverse.com/thing:4839621