If you've seen "Iron Man 2," you've seen 3D printing in action at a very high level. When director Jon Favreau and Paramount Pictures were making the hit 2010 film, they needed to find the best way to ...

Behind-the-scenes look at motorizing an Iron Man suit arm, showcasing the 3D printing process and mechanics involved.

Adam Savage had made 3D printed titanium iron man armor. He proved it is bullet proof up to 45 caliber bullets and bombproof against a stick of C4 from about 1-meter distance. It is also able to fly ...