Laser Origami
Laser Origami is a system that allows you to use a laser cutter to produce objects with bends instead of using joints to make angled parts. Using focused lasers to cut and defocused lasers to heat and bend the object using gravity, LaserOrigami allows you to create objects in a fraction of the time. The object comes out of the laser cutter more or less ready to be used.
A research project from the Hasso-Plattner-Institut.
Check out a video of their work.