A popular illusion done in a 3D model. Very Cool. Try it yourself.
Check out this amazing artist create an impossible staircase using 3D chalk art.
My interpretation of what a real POrtal gun would be like if one existed. Based on the video game, POrtal. I tried to match the game as close as possible. By Jason Craft
A very talented artist creates a Nintendo masterpiece on the pavement.
This is what the Super Mario Bros' world looks like in a 3D first person view. Very well done!
This is the version I always wanted to see.