Create your very own model planes using 3D printing (Rapid Manufacturing). Shapeways says they can produce your models in an affordable and inspiring way. The possibilities for making a model airplane are pretty endless, and you can design a great customized airplane model.Shapeways helps users import and modify designs made by popular 3D modeling software.  Currently accepted formats include STL, Collada, and X3D. With a few clicks, Shapeways checks whether the submitted objects can be produced and provides a real-time cost estimate (average cost is $50-$150). Users can optimize the production cost of their design before they order by selecting the desired material and size.