OUAT.. but as Regina said, "Can we please drop the E-word"
3D pavement art - FunSubstance.com.
20 Awesome Optical Illusions Using Typography - UltraLinx
This is the cutest idea!
camoflauge, cats, magic
Just paper and stuff
"Rubin Vase. This is one of the most famous optical illusions that exists. There are two things that you can see in this image ... In black you can see two faces looking directly at one another. In white, you can see an interesting curved vase."
Look @obxday1012 ! It's the elusive Hawaii waterfall! If only we knew! LOL