You can probably get denser packing (at least in theory), if you allow rotation. It's just ugly: https://kingbird.myphotos.cc/packing/squares_in_squares.html h

You can probably get denser packing (at least in theory), if you allow rotation. It's just ugly: https://kingbird.myphotos.cc/packing/squares_in_squares.html https://kingbird.myphotos.cc/packing/squares_in_squares.html