Check out Bespoke Innovations. http://www.bespokeinnovations.com/ http://www.bespokeinnovations.com/ They're doing something very similar to what you're talking

Check out Bespoke Innovations. http://www.bespokeinnovations.com/ http://www.bespokeinnovations.com/ They're doing something very similar to what you're talking about. They were bought out by the now large 3D Systems but I believe they are continuing their work.