In these pages, one-point perspective systems will be demonstrated.
In all three-dimensional projection systems, there are three planes used to describe, for example, a cube (the basic volumetric unit of measure) in projected space.

In one-point perspective, such as used in this Albert Durer 16th century print, the cube at the base of the far right column has three planes. The top and side recedes back into space, while the front is parallel to the picture plane. The back wall is also parallel to the picture plane. The side wall(with windows), the floor, and the ceiling all recede back, if stretched to infinity, to a single vanishing point.

Notice that in this example, the space seems to stretch out to the left, that being the furthest removed from the vanishing point. This is an unavoidable distortion that gets worst as one moves diagonally away from the vanishing point.

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