Unlike other think[box] equipment, the CNC Mill requires a foundation of knowledge and skills which must be acquired before it may be used. The most difficult skill to acquire is that of using a CAM ...

Using familiar NEMA 23 stepper motors (the same motors used in the RepRap), he hacked his Proxxon MF-70 mill for CNC control. Adding a Sanguino and the stepper controllers from other projects ...