penrose triangle illusion —
Founded penrose triangle illusion models & stl files for printing
Shahhtton
Scheimann
moebio
sarf2k4
Gerald85
Dragon
aRGiRob
hwmonkey
Phineas
mkoistinen
stereoxfr
3Denzo
Dillon17
cdeox
WhoIsNobel
Slimprint
Slimprint
EL3D
EL3D
EL3D