Uncalibrated Photometric-Stereo

Nowadays, there are numerous ways to create 3D scans from real objects for by yourself for little money. However, in order to get your hands on 3D scanning one often needs to buy additional hardware as is the case for the David 3D scanning system for example.
If this technical equipment is not available, one could still get some nice reconstructions using a simple laptop with its integrated web camera and the screen as a light source.

Uncalibrated Photometric-Stereo animation