# How to draw optical illusions from artjulz.blogspot.com

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Category: Education

## Presentation Description

How to create an easy optical illusion and a look at artist Escher. Featured at http://artjulz.blogspot.com.

## Presentation Transcript

### Optical Illusions:

Optical Illusions

### How many legs does the elephant have? Why does the elephant appear to have four or five legs? :

How many legs does the elephant have? Why does the elephant appear to have four or five legs?

### How many legs does the elephant have? Impossible to say Why does the elephant appear to have four or five legs? Our brains looks for clues of three-dimensional perception in 2D images, even when the 2D picture is an impossible object. This image is a paradox illusion. :

How many legs does the elephant have? Impossible to say Why does the elephant appear to have four or five legs? Our brains looks for clues of three-dimensional perception in 2D images, even when the 2D picture is an impossible object. This image is a paradox illusion .

### Try to count the number of black dots on the image below...:

Try to count the number of black dots on the image below...

### Do you see a rabbit or a duck?:

Do you see a rabbit or a duck?

### Optical Illusions…here we go!:

Optical Illusions…here we go! What you will need: White sheet of paper pencil Black Sharpie Ruler Bucket of crayons 2 markers that are complimentary colors WHAT ARE COMPLIMENTARY COLORS? (see the next slide to see if you are right?)

### PowerPoint Presentation:

What are complimentary colors? On a standard color wheel they are the colors opposite each other (red/green, yellow/blue). They look good together and compliment each other. In other words colors that mix well together to create another pleasing color.

### PowerPoint Presentation:

What you should have: White sheet of paper pencil Black Sharpie Ruler Bucket of crayons 2 markers that are complimentary colors

### 1)  Locate the center of the page - draw a dot with a pencil.:

1)  Locate the center of the page - draw a dot with a pencil.

### 2) Still using the pencil, draw 6 straight lines through the center.:

2) Still using the pencil, draw 6 straight lines through the center.

### 3)  Still using the pencil, draw "happy face" curved lines in alternate sections. :

3)  Still using the pencil, draw "happy face" curved lines in alternate sections.

3)   Keep going…

### 4)  Starting at the center dot, color in the sections with marker, alternating one colored, one blank (these were my purple sections).  :

4)   Starting at the center dot, color in the sections with marker, alternating one colored , one blank (these were my purple sections ).

### 4)  Start at the dot each time. Keep going… :

4)   Start at the dot each time. Keep going…

4)   Keep going…

### 4)   Use a colored pencil or crayon (in the same color) to shade the edges of the blank sections.:

4)   Use a colored pencil or crayon (in the same color ) to shade the edges of the blank sections. Like this soft purple shading

### 4)   Shade all the way around.:

4)   Shade all the way around.

### 5)  Using the pencil again, draw "sad face" curved lines in the left over sections. :

5)  Using the pencil again, draw "sad face" curved lines in the left over sections.

### 5)  Using the pencil again, draw "sad face" curved lines in the left over sections. :

5)  Using the pencil again, draw "sad face" curved lines in the left over sections.

M. C. Escher

### PowerPoint Presentation:

Maurits Cornelis , nicknamed " Mauk ", was born in Leeuwarden , The Netherlands . He was a sickly child, and was placed in a special school at the age of seven and failed the second grade. [3] Though he excelled at drawing, his grades were generally poor.

### 6)  Color in these sections with marker, alternating one colored, one blank (these were my yellow sections).  Remember to begin at the center. :

6)   Color in these sections with marker, alternating one colored , one blank (these were my yellow sections ).   Remember to begin at the center.

### 6)  Color in these sections with marker, alternating one colored, one blank (these were my yelloow sections).  Remember to begin at the center. :

6)   Color in these sections with marker, alternating one colored , one blank (these were my yelloow sections ).   Remember to begin at the center.

### 6)  Color in these sections with marker, alternating one colored, one blank (these were my yellow sections).  Remember to begin at the center. :

6)   Color in these sections with marker, alternating one colored , one blank (these were my yellow sections ).   Remember to begin at the center.

### Use a colored pencil or crayon (in the same color) to shade the edges. Like you did the first color. :

Use a colored pencil or crayon (in the same color ) to shade the edges. Like you did the first color.

### 7)  Trace over all pencil lines (straight and curved) with a black marker. :

7)  Trace over all pencil lines (straight and curved) with a black marker.

### Write about what you see. What does your optical illusion look like to you?:

Write about what you see. What does your optical illusion look like to you?