OP ART A lesson in optical illusion artwork

Objectives/Learning Targets I can identify optical illusion artwork and artists such as Bridget Riley I can discuss the science behind op art I can create my own op art on a 3D cube based on Bridget Riley’s work

Essential Questions How do op artists manipulate space to create the illusion of movement? What are the different categories of optical illusions? Who are the artists working with optical illusions today? How does our physiology work with art to create illusions?

Why is it moving?

Akiyoshi Kitaoka : Motion and Time

Motion and Time Illusion These illusions depend on eye movement to be effective Notice when you FOCUS on one it stops moving but the others around it continue to move! /index.html /index.html

What does this art do?

CONTRAST ILLUSION These illusions depend on how the center of the eye reads the stark contrast of dark and light. ndex.html ndex.html

Angle Illusion These illusions depend on angles projected through lines hering/index.html hering/index.html

Bridget Riley born 24 April 1931 in London, England Art depended on CONTRAST GEOMETRY, and REPETITION in order to create a sense of movement watch?v=_G9eGzxQq2U watch?v=_G9eGzxQq2U

Catarat

Blaze 4, 1963

Demo jVmc jVmc nV588 nV588

Create an Op Art Cube

COMPLIMENTARY COLORS

Choice… 1 large paper OP art with color Cube with 5 sides in BLACK AND WHITE Cube with 5 sides in TWO CONTRASTING COLORS