Hardware platform for Eyewriter 2.1 - revision A

This is a printable platform for the Eyewriter 2.1 open-source eye-tracking system that can be put together using cheap off-the-shelf hardware.

For more information about the Eyewriter 2.1 project, visit http://jason-webb.info/wiki/index.php?title=Eyewriter_2.1

For some more information about this hardware platform, check out my blog post here: http://jason-webb.info/2013/05/design-and-early-testing-of-first-iteration-of-hardware-platform-for-eyewriter-2-1-eye-tracking-system/