It took me a while to draw this! This is for @Agnes_Nitt's art competition, for the black and white category. Just so you know, I almost never share anything.
This is a Menger Sponge, a form of fractal geometry. In this case it consists of a hollowed-out cube built out of hollowed-out cubes made of... and into infinity. Shoutout to all Scratchers who love fractals!