Most of you probably have heard of the company Printrot. They are known for their PrintrBot Simple 3D printers at relatively affordable prices. Their CEO Brook Drumm is not just in it for the money, however. He does this for a hobby as well, and has recently, in his spare time, created a massive Metal 3D printer. Whether Printrbot will begin making and selling one similar, is yet to be seen, however this thing looks quite impressive. Check out more details here: http://3dprint.com/5418/printrbot-br...uge-3d-printer

Here's a picture of the massive device: