Because the very popular Mach3 CNC software responds to hotkeys, it was very simple to make the buttons do as they say. [Ed] has full control over the X, Y, and Z axes as well as the spindle speed.

We see a lot of CNC Machines here on Hackaday but not too ... The lathe is controlled by an old Pentium 4 computer running Mach3. The step and direction signals exit the computer via parallel ...