Careful there...GE recently bought a company that is "printing" metal jet engine parts: http://www.economist.com/blogs/schumpeter/2012/11/additive-manufacturin

Careful there...GE recently bought a company that is "printing" metal jet engine parts: http://www.economist.com/blogs/schumpeter/2012/11/additive-manufacturing http://www.economist.com/blogs/schumpeter/2012/11/additive-m...