SHERIDAN Institute of Technology and Advanced Learning
	FACULTY of Applied Science and Technology
	ARCHITECTURAL TECHNOLOGY
	ARCH 12356  Architectural Studio 1

Where two point perspectives are often employed to describe the exterior massing of an architectural design solution, One Point Perspectives are usually employed to describe the interiors of buildings to capture a sense of space.

ABOVE:  One Point sectional Perspective by Paul Rudolf

ABOVE: One point illustration of a dining booth from Fine Homebuilding Magazine

ABOVE: Leon Battista Alberti's mathematical demonstration of the principle of foreshortening in perspective

 As the viewer in Alberti's drawing moves away from the pictureplane

thereby increasing dimension "D" above the diagonal vanishing points

move out from the central axis of vision (CAV)