This Crazy Math Shape Is in Squid Game! A fractal is a complex geometric figure made up of patterns that repeat at different scales. No matter how much you zoom in, you'll keep seeing a similar shape. One well-known fractal is the Sierpiński triangle, named after the Polish mathematician Wacław Sierpiński. It begins with a single equilateral triangle. To create the fractal, you repeatedly remove the central upside-down triangle formed by connecting the midpoints of each side. This leaves three s