3D printing is old hat - ALM (Additive Layer Manufacturing) is the real cutting edge at the moment. Have a look at the story in the link below;
http://www.theengineer.co.uk/in-dept...002560.article
There are already ALM parts on the A380 and apparently Force India and McLaren are using ALM components on this year's F1 cars. If they can get the speed of manufacture up to similar levels as CNC machining then this is a huge breakthrough.