Shapematic is a new app that just launched in the App Store, and that aims to turn your iPhone into a 3D scanner. Simply snap a few pictures under different angles of the object you want to scan, and let the app work its software magic. The result will be a three-dimensional reconstruction of the object. The app also includes a feature that lets you edit your 3D photos to remove little flaws that might have showed up in the process.
The 3D models created are printing ready, and you can request a 3D print directly from the application to get the three-dimensional model shipped to you.