In college, my senior project involved a 3d room designer using the Kinect and a laptop. You could position virtual 3d objects (couches, lamps, etc) in the room

In college, my senior project involved a 3d room designer using the Kinect and a laptop. You could position virtual 3d objects (couches, lamps, etc) in the room, and move the camera around to see how the virtualized items looked.