Add Yahoo as a preferred source to see more of our stories on Google. 3D optical illusion drawing hack We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of ...

Add Yahoo as a preferred source to see more of our stories on Google. Optical illusion drawing. Optical illusions are fun to examine, but making your own brings the fascination to a new level. If that ...

This video shows the process of drawing a black and white optical illusion using geometric checker patterns and smooth ...

This video shows the process of drawing a realistic 3D heart shape using pencil shading and perspective line techniques. The ...

Like any magic trick, this optical illusion requires careful planning and a particular perspective. A hand places a metal ball at the bottom of a 3D printed slide and the ball immediately rolls uphill ...