Divina proportione, later also called De divina proportione is a book on mathematics written by Luca Pacioli and illustrated by Leonardo da Vinci, completed by February 9th, 1498 in Milan and first pr
Woodcut illustrating proportions of the human face
Perspective is the representation of objects on the basis of how they may appear in real-life. Perspective is an approximate representation, generally on a flat surface, of an object as it is seen by
This illustration shows how the eye naturally sees objects, which are described by the lines heading to each red dot
A rectilinear block drawing using two-point perspective
Staircase in multi-points perspective. Each point is a vanishing point from which straight lines come, and these lines are a guide to draw 3-dimensional object.