The DMC2 Mini, a desktop CNC mill that I put together from a kit. It has a rotary axis and is controlled by Mach3. I've machined aluminum, steel and plastic on it, from test pieces to a Geneva mechanism part for a can-crushing device.

The finished machine, in its enclosure.
The finished machine, in its enclosure.
A printed mount holds a vacuum hose next to the tool for machining plastic.
A printed mount holds a vacuum hose next to the tool for machining plastic.