Fun 3D printable board game: Tic Tac Toe 3D.
There's three sizes of pawns that can be placed over each other. This gives TicTacToe a fun extra set of dimensions.
Rules that you could use:
Fusion 360 design has been attached for you to improve upon. Click “Download STL” on PC to download .f3d file.
Please share your comments and feedback :-)