A lot of the 3D printing as a service sites allow you to choose the material. Obviously it's limited to materials that can be 3D printed, but most support some

A lot of the 3D printing as a service sites allow you to choose the material. Obviously it's limited to materials that can be 3D printed, but most support some plastic, ceramic, and metal. [1] The price per part depends on the material and the size of the part. In this case, the parts were linked in the article [2]. It looks like $2-$5 per part, depending on the material. It didn't say all of the parts were 3D printable, and from the looks of it, they've only put up STL files for the boring parts. It would take a good CAD person less than 10 minutes to reproduce most of the parts they have listed, generate their own STL, and have it 3D printed anyway. [1] http://www.shapeways.com/materials http://www.shapeways.com/materials [2] http://www.shapeways.com/search?q=acc+stl http://www.shapeways.com/search?q=acc+stl