Check out this brilliant optical illusion:
You can make it yourself! The creator of the video, brusspup, has made the images
for you to print out.
Have a look at the instructions underneath the
video on YouTube, or follow his instructions here:
Below are links to the images found in this video so you can
print them out and try it yourself. You'll have to print the
template onto a transparency. If you have an ink jet printer you
have to use a special transparency made specifically for ink jet
When you print the images and the template make sure to print
them all at the same size. If any of the sizes change the optical
illusion will not work.