Do it yourself CNC machines can be never ending projects. Once you get one machine done, you want another. [Mario] found this out when he started work on his second CNC machine, TheMaker2.

For more inexpensive MDF-based CNC machines, check out this drawer slide bearing one or this one that uses a drill for a spindle.

The Ringmaker is a CNC machine created by Bulunmaz, It can create patterns on rings, bangles, and a range of other round objects. It has multiple spindles, with a maximum speed of 70,000 rpm.