A neat instructable on how to build a rather large CNC for foamboard.
http://www.instructables.com/id/CNC-machine-for-shaping-large-pieces-of-polystyren/
A neat instructable on how to build a rather large CNC for foamboard.
http://www.instructables.com/id/CNC-machine-for-shaping-large-pieces-of-polystyren/