missing square puzzle box triangle illusion —

Founded missing square puzzle box triangle illusion models & stl files for printing
square1 rubiks cube
blazejgrznar
Puzzle X
Brent Werder Design
8 Ball Puzzle
tmackay
Puzzle Block C
BentWeiss
Puzzle Block D
BentWeiss
Puzzle Block A
BentWeiss
Puzzle Cube
alex_3dprint
Rearing Horse Box
Rick Peters
Segregator Box
Franspai
Magnetic Switch Box
Jiri Blazek