1. How are optical illusions
created?
Objectives
To develop an understanding
of how optical illusion images
are made.
To understand the
importance of using media
carefully in order to produce
an accurate image effective
image.
Outcomes
A page of 4 mini optical
illusions

2. Starter activity
• Your teacher will hand
you a sheet with 4
optical illusions on it.
• In your table groups
discuss how illusions
are possibly
constructed.
• Be prepared to
feedback answers to
class.

3. Wavy line illusion
Repetitive
wavy line.
The lines
have been
repeated in
order to
create a
sense of
movement,
also
making the
surface
seem
raised.

4. Circles within circles.
Start with small central
circle
Draw another circle
around this circle.
Repeat this so you have 4-
6 circles .
Add lines within circles in
opposite directions.

6. Draw a wavy line,
then produce
parallel wavy lines
and shade
alternately.

7. How has
the artist
created
this
image?
How
would
you re-
create
this?

8. Are these lines straight?

9. Concentric circles
Concentric circles,
divided into four and
then each alternate
quarter shaded black
and white.
This illusion also works
with other shapes. E.g.
triangle, square,
rectangle, hexagon.

10. TASK :
• Split page into 4
sections
• In each section re-
create the images
shown on sheet.
• Go over these
using felt tip pens.
t

12. http://www.youtube.com/watch?
v=NCOrROnV588&feature=related

13. Homework :
Create your own Op
art design:
• Filling a whole page.
• Changing shape of
illusions created today
• Or invent one of your
own