This Quarter Scale is used to do drilling layouts on a bowling ball using the Dual Angle Layout system. It has one axis for inches and another axis for degrees.

Compare to the functionality of the Pro Sect Quarter Scale.

THIS IS A DIGITAL FILE ONLY. NO PHYSICAL ITEMS WILL BE SENT.

This is designed to work with 1/4" (5.1mm) plywood or acrylic. In the build notes I specify exactly which plywood I used and other options.

•This file comes in SVG, DXF, AI, EPS, and PDF

•This can be cut with a decent strength diode laser or anything stronger

-----------------------------------------------------------

ABOUT USAGE
You may use this file for personal or commercial finished projects, but you may not distribute, modify, or resell the digital files. Bob Hoellwarth owns the copyrights to this design.

SUPPORT
Please contact me if you have any questions about the file or experience any issues.