Shady Ovals Optical Illusion

Step 4 The Setup

You are now armed with all of the necessary components.  You are ready to set up the illusion. 

First of all, using scissors, cut out one of the two printed backgrounds.  Then cut out the second one but don't cut out the white end with the black stripe.  Line up the two backgrounds together (lengthwise) and use tape on the back surface of them to connect them.  When finished, it should look like what you see in the second photo below.

Tape the clear tabbed sheet protector to a flat surface.  Be sure there is ample open space around it. 

Then carefully cut the six ovals out of the sheet that you last printed.  Tape them to the clear tabbed sheet protector.  To achieve the full effect of the optical illusion, be sure that the ovals are oriented correctly.  This is imperative!  The main picture and the third picture both show what it should look like when they are taped to the sheet protector.

Finally, slide the background strip underneath the sheet protector.  Set it up so that the white, unprinted part of the background strip is even with the first row of ovals.  The main picture exhibits this.