A custom chainsaw on a Tormach robotic arm. So it is more like a robot using a chainsaw than a conventional CNC machine. Instead of an XY motion, the machine uses what the video calls an “apple ...

Built from mostly aluminum stock, [Kris] machined the bulk of his parts with a CNC mill which ... Though the majority of the arm is metal, the hand at the end of his robot was built with 3D ...