Ant-like insects move in all directions in an illustration of the illusory motion variety.
This optical illusion was submitted by Mark Grenier.
Ant-like insects move in all directions in an illustration of the illusory motion variety.
This optical illusion was submitted by Mark Grenier.
A mysterious cube with rotating patterns on its panels floats serenely in space.

This optical illusion was submitted by Mark Grenier.
A spiral pattern rotates non-stop in an abstract illustration of the illusory motion variety.

This optical illusion was submitted by Mark Grenier.
Star shapes rotate in opposite directions.

This optical illusion was submitted by Mark Grenier.
Swirling shapes rotate in opposite directions in this hypnotic motion illusion.
This optical illusion was submitted by Mark Grenier.
An unblinking eye is surrounded by rotating rings.

This optical illusion was submitted by Mark Grenier.
Circular patterns spread out like ripples on the surface of a pond.
This optical illusion was submitted by Mark Grenier.
These little blue autos just keep going, and going, and going. . . .

This optical illusion was submitted by Mark Grenier.