A chop saw, wood ... as free samples — hooray for company handouts! The router is using an old computer loaded with LinuxCNC which is a great (and free!) software for use with CNC machines.

This creation, by [Shane Whigton] and his Formlabs Hackathon team, is more of a hybrid additive-subtractive CNC machine. A gantry-mounted router carves each layer of the print from a fresh square ...