The 3-D printer that can print a 3-D printer

A machine that builds itself? Adrian Bowyer, leading researcher at the University of Bath, shows us that this seemingly fantastic idea is not far from becoming reality. The self-replicating rapid prototyper, or “RepRap,” could have dramatic effects on people in developing countries.

You can watch a real cool video here: The 3-D printer that can print a 3-D printer