Make your own tetris block silicone ice cube tray. The mold created in this project can be used for much more than just ice cubes- try making Jello tetris pieces, or tetris soap, tetris Popsicles, or even tetris ground beef squares! Mmmmm ... ground beef squares The materials and design for this project are somewhat flexible. The idea is to create many different 1" cubes, and piece them together i