Drawbot is a wireless pen plotter robot | Atmel | Bits & Pieces
Amazon.com: iDrawHome A4 Pen Plotter Robot Kit, iDraw Hand XY Plotter Writing Robot Kit Based on 3D Printer Corexy or Hbot Structure - A4 Working Area : Office Products
Amazon.com : iDrawHome Metal Printer Drawing Robot Kit, Writer XY Plotter iDraw Hand Writing Robot Kit Based on 3D Printer Corexy or Hbot Structure - A4 Working Area : Arts, Crafts & Sewing
How to Make a XY-plotter With Makeblock : 18 Steps (with Pictures) - Instructables