Stepper Motor Driver Board for Black Mamba CNC Router Machine

Based on L6208. Designed to be milled out of double sided cooper plate. Should be used with this GRBL Controller Board:
http://www.thingiverse.com/thing:129244
Made for Black Mamba CNC Router machine:
http://www.thingiverse.com/thing:128100
Initial design by Anton Yudin.
Provided design files are for Eagle CAD V6.4.