Here’s a beautiful desktop CNC mill which had one big drawback: it used a proprietary interface for driving it. To increase the flexibility of the tool it was hacked to work with G-Code.

An understanding of trigonometry and how it can be applied on the lathe is necessary to perform any lathe operation programming. A knowledge of TNRC, drilling, and arc calculations will allow students ...

The machine wraps the filament around the workpiece, not unlike a CNC lathe in reverse ... its own software that controls the machine via g-code, and you can also specify different wrapping ...