Articles
Anamorph is built on a technique that is five hundred years old and turns up in more places than you would expect. These are written for anyone, and assume no mathematics.
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What is anamorphosis?
A picture that only assembles from one place. Where the idea came from, the two kinds, and why it is the opposite of an ordinary drawing.
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Holbein's The Ambassadors and the skull you can only see from the side
The most famous anamorphosis in art history is a smear across the bottom of a 1533 portrait, and nobody agrees on where you were meant to stand.
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How 3D pavement art works
Street artists paint a hole in the ground that only exists from one spot, marked by a piece of tape. The method is simple to describe and hard to execute.
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Why the puzzle always has exactly one answer
The generator cannot produce an unsolvable puzzle. That is a guarantee rather than a hope, and it comes from a single geometric rule.
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Anamorphic illusions you walk past every day
Road markings, football pitches and painted ceilings are full of pictures drawn for one viewpoint. Once you notice the first, the rest arrive quickly.
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A short history of perspective
Perspective is not how eyes work. It is a technique somebody worked out in Florence, and anamorphosis is what happens when you turn it around.