Spiral illusion 11

since May 3, 2025


"A variant of the Fraser spiral illusion"

Concentric circles appear to be spirals.

Copyright Akiyoshi Kitaoka 2025 (April 30)


Spiral illusion 10

Spiral illusion 9

Spiral illusion 8

Spiral illusion 7

Spiral illusion 6

Spiral illusion 5

Spiral illusion 4

Spiral illusion 3

Spiral illusion 2

Spiral illusion 1


Top page