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I was looking for something to create an optical illusion for a group of Webelos Cub Scouts, while we worked on the Webelos Scientist Activity Badge.  On achievement #12 it says:  "Show in three different ways how your eyes work together, and show what is meant by an optical illusion."  All I needed was an optical illusion that the boys could create themselves, to give them an  idea of what an optical illusion was, then have them create one and explain how it worked.  I came across this idea here:  http://www.cometogetherkids.com/2012/03/optical-illusion-handprint.html.  I did it myself and it was fun to do and a really great finished product. I did it with the Webelos Cub Scouts and they loved it too.  Be aware that this is a time consuming project, but if you have kids recovering from an illness, or stuck inside on a rainy day, or need a Plan-B to fill time, this might be just the project to keep them busy. So here is how to draw a 3-D Hand Print.

Step 1:

Supplies:
White paper (make it just larger than the hand being drawn, this is a 8.5x11 inch piece of paper cut in half)
Piece of scrap paper (not shown)
Pencil
Colored markers (wider tipped markers work best)

Step 2:

Place the hand to be drawn on the piece of paper.

Step 3:

Use the pencil to trace the hand and a section of the wrist.

Step 4:

Choose 3 different colored markers.

Step 5:

Place a piece of scrap paper under the hand print to protect the surface you are drawing on.

Step 6:

Choosing what order you want to put the colors, start drawing across the width of the paper.  Have the next color right on top of the color before it.  When you finally reach the pencil line of the drawing of the hand, curve the line a little upward in a gentle arc, ending on the other side of the hand line at the same level as you started.    Keep adding the curve each time you come to a hand print line.

Step 7:

Keep going.

Step 8:

Keep going.

Step 9:

Keep going.

Step 10:

When you are done,

Step 11:

take a moment and fill in any white paper that is left uncolored.
Wow that looks great!  It looks like a 3-D hand. 

Step 12:

Look it matches.  Enjoy!
<p>Its a cool 3D Art</p>
<p>love it </p>
It is amazing and i always think there is a real hand on the paper☺
OMG my art teacher taught me this is first grade, yet I still doodle it when I'm bored!!! Great job on it!!
<p>HEY it's <em>AWESOME</em>!!!</p>
<p>HEY it's <em>AWESOME</em>!!!</p>
it looks great my mom loves it im 12 and it was perfect
<p>Adding the shadows is a nice touch and works really well.</p>
<p>Great idea! I can see it being developed for other objects too.</p>
Btw, I learned this project in school in art class... Cool:-)
That looks so cool! I did one myself in pink green and red. It's awesome Thx! PLS follow me PLS PLS PLS thx again!
This Is Cool, This is differant, This is awesome. I love it!
A few That we did with my son and his friends. Ages 8 - 10
Wow! Those are great! Thanks for sharing.
I made this and it turned out really well. My mom is actually going to use this art project while teaching art to my sisters class this year.  <br>
totally awesome. I want to try it right now!
How wonderfully neat! Really cool effect. Thanks for sharing!
Creepy but cool <br>
Came out really good, have to try this... :)
This is so awesome. Love it!
That is so neat, nicely done!
well. im mind blown. <br>
ooooooh, looks great! Steps 7-9 literally made me laugh out loud :)
Oh, my, that <em>is</em> impressive!
I love this! Such a fun thing to make I am sure. Thanks for sharing. <br>Sunshiine

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Bio: In a valiant attempt to keep myself from dying of boredom, I create.
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