Today's 3D print service discovery is a bit unusual: Sotopia Concepts provides not only 3D printing services as do many other shops, but instead focuses on the creative aspects. According to their website, they:
develop new design and communication concepts to get back in contact with your customers.
And this involves the development of ideas, complete concepts and of course rapid prototyping. They publish a most interesting video showing an overview of this process, beginning with a hand-drawn idea, moving through a 3D design and finally physically printing the object.