Tetrad board game

This game can be played with the same rules as [Quarto](https://en.wikipedia.org/wiki/Quarto_(board_game)), but the pieces have a different shape.

Print two sets of 8 pieces in different colors. Highly customizable design. No supports needed.

**Rules:**
* There are two players.
* There are four piece characteristics: color, shape, height and filling.
* Take turns placing pieces on the board hoping to make a horizontal, vertical or diagonal row of four pieces with the same characteristic