An anamorphosis is an artistic trick such that you can only see what the artist intended to show when you look at the artwork from the right angle. Here is a famous example from 1533, called The Ambassadors by Hans Holbein the Younger (c. 1497-1543). The weird object at the bottom is hard to identify from most angles, but if you see it from the right one, it clearly looks like a skull. | TripImprover

Street artist Odeith is renowned for his mastery of the anamorphosis technique, which creates stunning 3D optical illusions on flat surfaces or 90-degree corners. His latest creation, "Unconscious," is currently on display at STRAAT, Amsterdam’s museum for street art and graffiti, and is a striking example of his talent for blending realism and illusion. Odeith completed the piece over six days, with much of the work improvised as he responded to the space around him. "Unconscious" showcases the