‘One of the most important realist techniques in the history of painting was the development of linear perspective in fifteenth century Italy. Based on new theories of optics and geometry, perspective allowed painters to produce the illusion of three dimensional space on the flat surface of a painting…empowered to depict reality for the first time’

Matthew Potolsky: Mimesis, Routledge, 2006


‘The eye sends out a pyramid of rays to the object. These rays are akin to fine threads gathered tightly at one end.’ The base of the pyramid is formed by the object seen, the apex is within the eye, and the sides are defined by the ‘threds’ running from the eye to the edges and surface of the object.

Leon Battista Alberti

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