http://www.digitaljournal.com/article/330391

Op-Ed: Assault rifle created with 3D printer

Posted Aug 8, 2012 by Abigail Prendergast
As technology advances, the art of 3D printing continues to grow and evolve. A man known as "HaveBlue" even created both a .22 caliber pistol and AR-15 assault rifle using this very same method.
At Fraunhofer IGB: Synthesied artificial blood vessels generated through 3D printing technology and ...
At Fraunhofer IGB: Synthesied artificial blood vessels generated through 3D printing technology and new processes and materials could help organ transplant patients.
Jan Kerckhoff/Fraunhofer Institute/igb.fraunhofer.de