Details

A flat anamorphic image corresponding to the viewpoint with coordinates can be obtained from the original 3D image by multiplying each 3D point by this transformation matrix:

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An example of anamorphic images in art is the famous distorted skull that can be identified only from a particular viewpoint in the painting "The Ambassadors", by Hans Holbein the Younger, painted in 1533. It is in exhibition in the National Gallery, London.

A more recent example is Julian Beever, an artist who creates chalk drawings on pavement surfaces. His works are created using anamorphosis, giving the illusion of three dimensions when viewed from the correct viewpoint. See his website for some examples.