[Hyna] has spent seven years working with electron microscopes and five years with 3D printers. Now the goal is to combine expertise from both realms into a metal 3D printer based on electron-beam … ...

DIY metal 3D printer Meanwhile, SpaceX is 3D printing next-gen rocket engines like the Super-Draco out of high-quality metal alloys.

Starting Wednesday, stainless steel modeling service Shapeways will print 3-D prototypes by DIY designers using powdered metal as the "ink." See also: Jin Saotome's Super-Cool Custom Superheroes Zap!

The DIY movement has never been more relevant, or more ambitious. These projects aim shockingly high -- and they find a lot more success than you might expect.