I did that as a test unit to see whether its possible or not, so I used craftwood and used a 3/32 end mill cutter with a feed speed of 90, material thickness was 3mm, passes were 2mm. A hardwood would come up a lot better because there nice clean cuts. Ive always wanted to make a wooden clock, so It was a test piece for maximum teeth minimum size. You couldnt use larger than a 3/32 in this application becuase that is the exact gap between the teeth. Gotta love the accuracy of these machines |