Ambiguous Cylinder Illusion

ERMAHGERD, How does it do that? These 3D printed objects are so wonderfully weird and mind breaking! Aren’t they just the coolest?

This video is from a contest called the Illusion of the Year in which participants develop various illusions that confound and confuse the mind. The author of this illusion is Kokichi Sugihara from the Meiji University in Japan.

BoNC | Measuring & Understanding Dance

“The Bureau of Nonverbal Communication is a multidisciplinary organization that seeks to regulate and protect all nonverbal communication in the U.S. The tools and systems demonstrated in this film are intended to assist in your understanding and appreciation of Dance.”
Chief Creative Director, Writer, Choreographer: Dana Wilson.
Other videos on the youtube channel of the Bureau.
We need more props with built in spirit level bubbles…for extra precision.