In above figure, which constitutes a modified version of the painting *Tirets* by Francois Morellet, small circles seem to appear and disappear as the eye is moved
over them.

# Morellet's Tirets Illusion

## See also

Moiré Pattern## Explore with Wolfram|Alpha

## References

Seckel, A.*The Art of Optical Illusions.*Carlton Books, p. 31, 2002.

## Referenced on Wolfram|Alpha

Morellet's Tirets Illusion## Cite this as:

Weisstein, Eric W. "Morellet's Tirets Illusion."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/MorelletsTiretsIllusion.html