We've see a lot of clever creations come about because of 3d printing technology. The latest creation comes to us from China where designers have come up with a unique wall that is based on parametric design and is capable of interacting with people. The design was built form 1309 different 3D printed parts which were printed on 30 MakerBot 3D printers. Read and see more on this at: http://3dprint.com/71379/3d-printed-projection-wall/