In December 1968 American optical designer and artist Roger Hayward wrote "Blivets: Research and Development" for The Worm Runner's Digest in which he presented interpretations of the blivet.
The Blivet, also known as the Devil's tuning fork, an impossible object and optical illusion
In December 1968 he wrote "Blivets: Research and Development" to The Worm Runner's Digest in which he presented interpretations of impossible objects.
Blivet |