1. Images Worth Taking a
Second Look At

2.  Op Art is short for Optical Illusion Art
 An Optical illusion is an image or picture that
plays a trick on your eye when you look at it.


4.  Happen when the brain can’t make sense of
what your eyes are seeing and your eyes are
confused on the messages your brain is
sending.
 There are many types of illusions that effect
different parts of how we see and think.
 The fist one we are looking at effects how
we see color

5. Simultaneous Contrast Illusion. The horizontal grey bar is the same shade
throughout. Why does it look like it is different colors?
Check this by covering everything except the bar.

6. This grid is an
aftermath illusion
that tricks the brain
by sending too many
messages at once.
 After looking at the
image the eyes and
brain are not able to
stop sending the
overload of messages
which creates a
movement effect.

7.  ThisIllusion is a video that you will stare
at for at least 30 seconds
 Then, look at your hands or a face and
see if you notice anything strange
happening…

9.  Inorder to create Op Art there are 2 very
important things you need to understand.
 #1 How to create
images that will trick
the eye of the viewer
 #2 Being exact and
making straight NEAT
lines and color

10.  Would This Illusion
still work if the lines
were not exact?

11.  Wallovers is an
online app which
allows you to
create op art using
a grid
 Anything you draw
is applied to a grid
on the screen
 It is automatically
reflected, flipped,
and turned to
create a unique
piece of op art

12.  Selecta grid, pattern, and background color,
then create your own designs, or click the
AUTODRAW button and watch the computer
generate patterns for you. Click the printer
icon to save your art. GET STARTED!!

13.  Julian Beever From England
 Pavement Chalk Artists
 Known for creating optical illusions on side
walks
 Often times people can stand in his art and
act as if they are a part of it.
 Has a great sense of humor!

19.  Make a flat surface appear round

20.  Cones, Spheres, and Value!

21.  Neat and crisp Lines
 A strong
composition
 Good color choice

24.  Starting in one section begin drawing “U”
shaped smilies to conect one side to the
other
 In the next section use an upside down “U”
to make frownies- Connect all lines!

25.  (forthis slide teacher will demonstrate
following steps using interactive whiteboard)