How to make the Amazing T-Rex Illusion

This T-Rex will turn its head to watch you as you move. But how?? YouTube illusionist Brusspup shares the secret with this Jerry Andrus-inspired trick.

And if you want to try it out yourself, Brusspup made these green, red, and blue dinos available for download.

Next: watch more optical illusions, including the rubik’s cube illusion.

via @aatishb.