Back in 2008, media artist Kyle McDonald created a 3D interface that could track movement, which he turned into a virtual Tic-tac-toe game.
In this tutorial, MAKE teaches us how to build one at home using cardboard, aluminum foil, an Arduino, and some basic parts from RadioShack or any other electronics store. First, use spray glue to attach the aluminum foil to the cardboard, making sure to leave a gap around the edges. Assemble the cardboard pieces so that they form half of a cube. Cut three, two-foot-long pieces of shielded cable, stripping off the insulation. Connect an alligator... more