“Home Alone” director Chris Columbus revealed that the legendary aftershave face slap scene was partially improvised by ...

Using this example, he proceeds to design, simulate, build ... mill is a pretty good sized, and heavy, tool. That said, these procedures should adapt well to other milling machines and engravers.

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 ...