Looking to add a small CNC machine to your garage or hackerspace’s arsenal of tools? Like any tools — China has you covered for the cheap options — but the question is, is it worth it?

This isn’t to say belts won’t work — you can create a fine CNC machine with bits of rubber. However, belts stretch, they wear out, and if you want more precision screws and racks are the way ...

these programs are going to need to know some things about your CNC and the bits you have for it. As a Fusion user, I was anxious to get my hands on a Carvera Air machine profile for Fusion.