Shapeways provides a low risk and low barrier model for 3d printing of products but it has not made millionaires yet
Shapeways, a 3-D printing service and online marketplace, has been described as the Amazon of 3-D printing for its on-demand model, if not its outsize volume: The machines spit out about 120,000 objects a month, a tidal flow of design that runs from the mundane to the astonishing. Bradley Rothenberg, a Manhattan-based architect and designer, …