These fantastic LEGO optical illusion sculptures come from Marion. Each one is a visual delight. You may recognize a number of these sculptures as mind-benders and thought puzzles, each using fantastic technique to get the shaping just so, and it’s quite effective.
The knot, oloid, and the never-ending loop are built with all of the studs facing out, giving nice texture and helping with the lovely shaping. The Möbius strip is all studs-up and works well for that sculpture.