Direct CNC Control With The Raspberry Pi | Hackaday
Raspberry Pi Roundup - a Pi-powered plotter, an Ivory Coast project and a bomb-disposal unit in the making | The Pi Hut
CNC Router Drawing Robot Kit Writer XYZ Plotter iDraw Hand Writing Robot Kit Open Source for Maker/Geek, Working Area A4: Amazon.co.uk: Stationery & Office Supplies
gocupi: Go + Raspberry Pi polargraph/drawbot #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!