Design for gantry is taken from DIY machines gantry build. 3D print files:
https://www.printables.com/model/94363-easy-3d-printable-cnc-drawing-machine-draw-on-cake
I attempted to use RL to play TTT, and got working environment and training in ttt.ipynb, but could not get it to play tic tac toe better then the minimax algorithm.
Demo Video:
https://drive.google.com/file/d/13x2vpDUCb_xmVrj6ndXaQyyYrkQiQGvT/view?usp=drive_link
Only known bug is that camera does not always properly turn on.