work Fidget Toy A print-in-place fidget toy combining a clicking gear, a slider, and flexible springs. Digital Piano A pitch-controlled electronic instrument built with an NE555 timer, potentiometer, buzzer, and push button. Living Hinge As a Wearable A living hinge that can be worn as a bracelet or watch strap. Chrome Dino Chrome Dino with three different ways to make the dinosaur jump without touching the screen. Chinese Dark Chess AI From A* puzzle solving to game-playing agents that search, simulate, and reason about hidden pieces. fun
