The Penrose triangle (here dcorated with playing dices) is a very traditional form of optical illusion which seemed very difficult to reproduce in real life and in 3D.
Up to we’ve seen these two impressive realisations:
YouTube link
The Penrose triangle (here dcorated with playing dices) is a very traditional form of optical illusion which seemed very difficult to reproduce in real life and in 3D.
Up to we’ve seen these two impressive realisations: