Starting with a quick paper prototype for a first idea of what motion we wanted to give the robot, we iterated through many stages. Starting with a quick and dirty servo prototype for testing the movement. With only two servos mounted to cardboard. We tested out different sensors to track humans in a room, done several iterations for the tail, added a distance sensor to allow for a wall detection and a 3d printed chassis for the final prototype. We had a design process which was unusually smooth. Which we are happy about.