I have been curious about this style bevel gauge for use while sharpening chisels or plane blades, but not curious enought to buy one. Here is my hack at making one that can be 3d printed.

Bevel Gauge

It works all right. I printed a copy on my small SLA resin printer. The largest problem I have had is that geting a good reading can be difficult on blades with a deep ura and narrow land.

Download the STL here!