Blogger and maker Kawamoto Ken developed a process that uses 3D point cloud data to auto generate popup cards with his Asus Xtion 3D camera. He wrote an algorithm that converts 3D data captured with a 3D camera into what is essentially a 2D image. Once the 2D image is printed out, parts of the photo just need to be cut out and then it can be popped into position. The finished product feels like a 3D image that can conveniently be folded up as flat as a 2D image. You can read more about the process over on 3DPrint.com: http://3dprint.com/98636/3d-photos-into-pop-up-cards/