missing square puzzle box triangle illusion —

Founded missing square puzzle box triangle illusion models & stl files for printing
Addon to Breakout Box
LlamaLover98
YesNo POV Illusion
LlamaLover98
Joker Hollow Illusion
adarshacharya
Lion  3D optical illusion
RobertoColucci_3D
Mom  Dad Illusion
The Leader of Stuffies (Moosey)