What do you notice about these two pieces of art?

Let’s watch some illusions:https://www.youtube.com/watch?v=EoUfT_UR8Gc#t=172

Op Art Stands for

“Optical Art”: art that creates an optical illusion

Optical illusion: an image that tricks your eyes into seeing something that’s not there

Example of an optical illusion:

The bar is the exact same gray all the way across.

More optical illusions

Fraser Spiral Illusion: This looks like a spiral, but it is actually concentric circles (circles inside of circles, all with the same center).

Hermann Grid Illusion: Black dots appear and disappear very quickly at the intersections.

Op Art: Do you remember what it stands for?

First started, and most popular, in the 1960s

Also known as: Geometric abstraction Hard-edge

abstraction Perceptual

abstractionBridget Riley. “Movement in Squares.” 1961.

What is Op Art all about? Optical illusions Eye-brain

connection Elements of art:

Line Shape space

Principles of design: Pattern Movement

What is the optical illusion in this piece? How did the artist, Bridget Riley, create it?

Famous Op Artist: Bridget Riley

Born April 24th, 1931 in London, England.

Cataract 3, 1967.

More of Bridget Riley’s Art

Loss, 1964.Blaze 3, 1963.

Famous Op Artist: Victor Vasarely

Born in 1906 in Hungary, but lived most of his life in Paris, France; died in 1997.

He is often claimed as the father of Op Art.

More of Victor Vasarely’s Art

Ambigu-B, 1970.Cheyt-M

Vanishing Point: The point at which a thing disappears or ceases to exist .

Vanishing Point

Vanishing Points?

OPTION 1: Geometric Op Art created by students

More student work

* Where are the vanishing points?

OPTION 2: ORGANIC OP ART *Free flowing wavy lines. Less straight and rigid.

These are just ideas! You will have to include at least 3 colors.

Option 3: You can also combine Geometric with Organic!

-You will be using colored pencils to complete this project!

YES! Bold colors – Press hard with colored pencil!

NO! Scribbly lines and not bold!

To review, Op Art Project: Create original

Geometric OR Organic Design, OR a combination of both.

Use colored pencils & include at least 3 colors.

Must be an illusion!

Your 1st Practice Technique: Sphere