Arduino controlled Drawing Robot

Nice idea, uses from the looks of it, 2 steppers to move the pen around and a servo to raise/lower the pen.  The gears are interesting…wonder where they came from.

http://blog.makezine.com/2012/12/11/arduino-controlled-drawing-robot/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+makezineonline+%28MAKE%29