I made up a few diamond dresser for the bench grinder. It is a metalworking project, but both woodworkers and metalworkers need a good dressing tool for the grinder. The first one I made was actually a present for my brother in law who is an avid woodworker.
dressing_tool_1_lowres.jpg
I made a video of the entire build as well if you are interested:
Direct Youtube link:
https://www.youtube.com/watch?v=5mIXjcelBVQ
There is a full set of drawings on my blog if you would like to make one yourself: https://www.thecogwheel.net