1. One or more computer-readable storage media storing information to enable a computing device to perform a process, wherein the computer-readable storage media is not a signal, wherein the process comprises: automatically forming a three-dimensional model from digital photos of a real-world subject that have arrangements relative to each other in three dimensions; displaying a rendering of the three-dimensional model comprised of a plane corresponding to a plane of the real-world subject; responding to interactive user inputs directed to the three-dimensional model by changing an orientation and/or position of the plane relative to the three-dimensional model; and responsive to the changing of the orientation and/or position of the plane relative to the three-dimensional model, displaying a projection of at least one of the digital photos onto the plane.