Necker cube

noun

Necker cube

noun

Etymology The Necker cube was first published as a rhomboid in 1832 by Louis Albert Necker.

1

An optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube.

Related terms
Penrose triangle

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.