Trim Gauge Trim Reveal Tool

I made a trim reveal tool very similar to one you can find at Rockler woodworking store. The one available for purchase is only 3/16" and I wanted a 1/4" reveal so I redesigned. It works well enough but the purchased version would be much better.

It's made to accept 10mm x 3mm magnets and has the holes for 4d trim nails. For directions on how to use it search for Rockler Trim Gauge and follow the instructions there.