squareing the square 21 steap

Squaring the square 21 steap21steap is smallest of squaring the square Warningdon't look at the image below if you want to do it yourself TIPS: the shell is too biger of it because I use PETG to pinter that ,if you guys can find suitable size, uploading If you use 0.4nozzle you can't see the I don't use 0.2 nozzle to make that, because I don't have if you can use 0.2 nozzle please uploading Mathematicians once spent so much effort without any results that in 1930 the famous Soviet mathematician Lukin conjectured that it was impossible to divide a square int