If you have a thicker piece of wood, then you could be really careful with the hacksaw -- or if you have access to alasercutter, then you are golden! USB Hole You can use the same method of making the Fader Slots to make the USB hole for the Pro Micro - use the 3mm drill bit...
A tube cutter works best with slow, steady movement. Go too quickly and you might dent the pipe. For larger pipe, you'll have to use a hacksaw. File off the ragged edges afterward. Once the pipes are cut, fit them into whatever joints you'll need to solder tight. 7 Clean up the ...