The Xline 2000R 3D printer from Concept Laser is the biggest metal additive manufacturing machine in the world - and there are only five of them in existence. The latest to acquire one of the machines is Monash University along with spinoff company Amaero Engineering, who have already made a name for themselves by creating the first 3D printed jet engine. With the Xline 2000R, the two institutions printed an airplane door hinge that currently has the distinction of being the biggest metal 3D printed aerospace component ever. Read more at 3DPrint.com: http://3dprint.com/166424/monash-uni...-amaero-xline/