Well shiver me timbers! Another optical illusion! This time it is a Blivet Fork! And as a bonus you get a weird triangle.
Enjoy, my friend. Enjoy.
Impossible Shape Illusions
Optical Illusions and Eye Tricks
A few examples of impossible shapes:
Bonus fact: The top shape is known as a blivet or poiuyt. It can also be called a widget. More info on the Wikipedia Blivet/Widget Entry.
And when you are done with that check out our Hand Shadow Puppets Page.
And then our Fun Facts Page.