The horizontal feature of my Rockwell 21-122 is awesome... except for the hassle of setting it up. The vertical head and motor are heavy, a pain to remove and re-install, and irritating to re-tram.

Thanks to the sheer volume of cool hacks out there, though, we do miss one occasionally, like this e-waste horizontal CNC mill that we just found out about. Aptly called the “CDCNC” thanks to ...