ADA the Drawing Robot

During the summer before freshman year, I started building this robot. It is inspired by several similar designs, especially the Polargraph. It is a “hanging V” plotter. A pen-holding assembly dangles on two strings. Two stepper motors controlled by an Arduino move the pen to create drawings. I brought it with me to school, and one day drew the Mona Lisa on a whiteboard in the Haggett lounge.