Braille rubik's cube by liquidhandwash on Thingiverse: https://www.thingiverse.com/thing:793787

Summary:
You try and explain a rubik's cube to a blind man. So I thought how about a make a braille rubiks cube for a blind friend and then he wont have to miss out on all the frustration exasperation, annoyance, anger, vexation, irritation, bitterness, resentment; disappointment and discouragement that comes with trying to solve that infernal puzzle.  full instructions athttp://www.instructables.com/id/Braille-rubiks-cube/