Season Two of the popular Netflix show Squid Game recently introduced international audiences to the Korean game of Gonggi: a fun, simple game similar to the classic American schoolyard game Jacks. The game involves throwing stones in the air, but the stones are often substituted for colorful plastic pieces - plastic pieces that could be made using a 3D printer! In this post, we'll walk you through the basic rules of the game, as well as how to 3D print your own set of Gonggi stones.