Arqball Spin is a strangely-named iOS app that does something pretty magical: It will create fully spinnable 3D models from real-life objects. The app is available to download right now, so you can go and check it out for free. Engadget played with both the app and a stage (more on that in a second), and they have examples and video of how the app works. The model looks pretty great, even just viewed in a web browser.
Basically, the app uses your iPad to take a series of pictures of an object, and then assembles those pictures into a "rot
