Free 

This is a drill guide to aid in 90 deg and 45 deg drilling.
Diamond cutouts are on either end to aid in finding measurement lines.
The 45 deg guide will intersect at the the center line.
All holes accommodate imperial bits.
Please be safe and enjoy!
Note: Print in picture above was printed with a .6 nozzle, a .4 will work well and look even better!
Print instructions
Category: Hand Tools Print Settings
Printer Brand: Prusa
Printer: i3 MK3
Rafts: No
Supports: No
Resolution: .3
Infill: 20
Filament: Hatchbox PLA Orange
Notes:
Add more layers and/or infill to strengthen part.
Names are used only to indicate the source of a result. Polyzon is not affiliated with the listed sites.