This is a robot that in theory will be able to draw what ever you want it to on an Etch-A-Sketch. As of now, I have made a prototype but it doesn't work yet. Soon it will be complete and you can try it out. If you have any ideas or suggestions, don't hesitate to comment. In a month or so, I plan to begin to sell them as a kit.
This is not meant for 3D Printing but you are welcome to try. I used 1/8" maple on a laser cutter then glued the pieces together.