Ambiguity is defined as doubtfulness or uncertainty with respect to interpretation.  In the image below, a string is threaded through a series of tubes.  Do you notice anything doubtful or uncertain as you try to interpret how this string is threaded through the tubes?

This image was designed by Kaia Nao.

Other Optical Illusions You Might Enjoy

Frazzle by Kaia Nao

18

Baubles by Kaia Nao

18

Schmear by Kaia Nao

18

Caterpillar Race by Kaia Nao

18

Floating Star Illusion by Kaia Nao

18

Tunnel Vision by Kaia Nao

18