The people behind the PocketNC heard you like CNC PCB mills, so they milled you a PCB mill ... are small enough to make use of their PCBs as a structural component. But an entire CNC machine ...
Another variation is seen in Figure 2-7. Figure 2-7: A third-party rotary mechanism fastened to the table of a standard 3-axis CNC milling machine. The examples shown represent only a small fraction ...
One of the original ideas behind the RepRap project was for the machines to create their own upgrades. That philosophy is shining brightly in [Ivan Miranda] CNC milling machine project ...