Probably not likely. There are metal 3D printers (Shapeways, for instance), and IIRC the patents on that tech (laser sintering) are going to expire soon, so th

Probably not likely. There are metal 3D printers (Shapeways, for instance), and IIRC the patents on that tech (laser sintering) are going to expire soon, so there will probably be a big boom in volume and material diversity.