escher s penrose triangle —
Founded escher s penrose triangle models & stl files for printing
LaserBee
Jollyware
eneref
MrBillTatt2
jim_sab
uge
Planetech3D
aristophren
fuchsr
chadbaycroft
patlichty
bfort
BlackyOne
mytmou5
NeverDun
Kazzee
ecodad
Gav
slagovskiy
todd3d