Geometrical Illusion With Stereoscopic Impressions

"A bulge"

The floor appears to bulge out, even though all the squares in the figure are equal.


"A beetle"

Vertical or horizontal edges appear to tilt.


"Apples 2"

Concentric circles appear to be a spiral (spiral illusion). Each apple appears to rotate (peripheral drift illusion).


"Roof"

The figure consists of vertical or horizontal components but appears to bulge out.


"Lips"

The figures consist of rectangles and squares but appear to bulge out. Bulging-out motion also appears in the periphery vision.


"Primrose's hill"

It looks as if the checkered surface bulges out, though this figure actually consists of squares.


"Eggs of a moth"

The figure appears to bulge out, though the backhround consists of vertical and horizontal components.


"The eyes"

The figure made up of vertical or horizontal components appears to bulge out.


"Cushion"

This figure consists of rectangles and squares, only.


"Pressure"

Vertical or horizontal gray lines appear to be distorted.


"The house of bats"

Vertical or horizontal gray lines appear to be distorted.


"Octpuses"

Vertical or horizontal gray lines appear to be distorted.


"Frogs"

Vertical or horizontal edges appear to be distorted.


"A checkerflag"

This figure consists of squares but appears to flutter.


"Spreading"

Vertical or horizontal edges appear to be distorted and the figure looks wavy.


"Sakura-yu"*

*Cherry tea for some celebration

Vertical or horizontal pinky lines appear to wave.


"Shielded by bugs"

Vertical or horizontal edges appear to be distorted.


"Octahedron"

This figure consists of squares.


"Kabuki"

This figure consists of squares but appears to be wavy.


"Zabuton"*

*Japanese cushion

This checkered background consists of squares but appears to be distorted. In addition, this figure shows a great amount of anomalous motion illusion.


"Persimmons"

Vertical or horizontal edges appear to be distorted.


"Babaroa"*

*Bavarian cream cake

Vertical or horizontal edges appear to be distorted.


"Kakigori - ichigo"*

*Broken ice with strawberry-taste juice

Vertical or horizontal edges appear to be distorted.


"Hydrangea"

Vertical or horizontal edges appear to be distorted.