A $1 million dollar 3D printer creates tiny balls of pure titanium powder. You can have one made for you for $124.
Read: A $1 Million 3D Printer Could Give You the Tiny Titanium Balls You’ve Always Wanted
If you’re on a budget, try the $1500 DIY metal 3D printer…
http://gigaom.com/2013/12/02/michigan-tech-scientists-build-a-1500-diy-metal-3d-printer/