[Adrian Freed] posted this interesting fabric gesture controller called Tablo. It uses a stretchy conductive fabric, laid over a framework to create a curve known as the Witch of Agnesi. Holding the center of the fabric up is an inverted bowl covered with sections of conductive material. The whole thing is wired to a microcontroller that measures the resistance fluctuations when you press on the fabric. It is capable of measuring displacement and pressure as well as being multitouch.
They mention that the simple interface allows it to be used as a foot input as well as a hand input. We’d love to see a video of it in action.