missing square puzzle box triangle illusion —

Founded missing square puzzle box triangle illusion models & stl files for printing
Bolt Puzzle
mtairymd
Puzzle Cat
Virtual_Design3D
Puzzle Cube Stand
mohammadalsooj
Puzzle Sphere
emmett
18animals puzzle
onepointdiy
Cross Puzzle
Josh Dyck
Ice Puzzle  Brain Teaser
Creative MinerX
Square
ncristovam
3DBrainPuzzle
Jorre S.