As an Augmented Reality UX researcher, I specialize in designing interactive systems for smartthing applications. For each of the new system I proposed, I also need to prototype some low cost/fidelity yet actually working physical components, such as robots, IoTs, and Machines, for proof-of-concept use scenario demonstration. These prototypes are usually made from cardboard/plywood/acrylic from laser cutting and PLA plastic from 3D printing. The electronics and actuators are usually controlled by Arduino-like microcontrollers (MCU) and Raspberry Pi-like single-board-computers (SBC).