NOTE: This project was made by 100% my code. 3d pen sketcher tutorial https://www.youtube.com/watch?v=nGbyJGcpogA Subscribe for my Youtube channel: https://www.youtube.com/channel/UC7emQoVB4bljq6rbL2kIC0g
O to show variable, N to clear, U to undo, S to save, L to load
