This is not an optical illusion, nor are your eyes playing tricks, the Exo Prosthetic leg was created using a 3D printer, 3D scanner, and complex 3D modeling software by an industrial designer. As for the material itself, it was molded from laser-sintered titanium, making it cheaper than traditional prosthesis, while being lighter and more stylish. You are also to customize them with an array of patterns and color choices. Click here to view the first image in this week’s art of trolling gallery. Continue reading for a viral video of a computer graphics dance routine that will blow your mind.