Printr Egg Boogie Board Bot

Built this X-Y Plotter, by integrating parts from various sources.

Used:
- a PrintrBot Simple frame and hardware (assembled only what was minimally needed for this purpose);
- Egg-Bot electronics and the pen-holder attachment;
- a couple of NEMA 17 bipolar stepper motors;
- and a Boogie Board (Original 8.5 version) as the plotting/drawing surface.

I was initially taping an index card onto the print platform for testing purposes, but when I saw this Boogie Board at a toy store, it