Portable white board plotter

From Alpha One Labs

Add 2 rails to the wall with a mechanism to "print" out to the whiteboard using an expo marker. http://video.filestube.com/video,c332e58166ea1b4503e9.html http://hackaday.com/2008/05/08/mechanical-white-board/ - I had an idea like this which I codenamed the "Sistine Project"; rmd6502 - this would be cool if it was air-powered and super fast. I have some 24V stepper motors if we can find or build a 24V/8A power supply we can certainly get some torque out of them.

The shape will be in a H. We can use a dot matrix printer for logic. Since it is portable the print head will scan the surface for unevenness and keep this value inmemory and adjust the standoff if the head as it prints. The corners will be attached by suction cups.