A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
How to draw a Figure standing upon its Feet, to appear forty Braccia high, in a Space of twenty Braccia, with proportionate Members
4017079A Treatise on Painting — How to draw a Figure standing upon its Feet, to appear forty Braccia high, in a Space of twenty Braccia, with proportionate MembersJohn Francis RigaudLeonardo da Vinci

Chap. CCCXLV.How to draw a Figure standing upon its Feet, to appear forty Braccia[1] high, in a Space of twenty Braccia, with proportionate Members.

In this, as in any other case, the painter is not to mind what kind of surface he has to work upon; particularly if his painting is to be seen from a determined point, such as a window, or any other opening. Because the eye is not to attend to the evenness or roughness of the wall, but only to what is to be represented as beyond that wall; such as a landscape, or any thing else. Nevertheless a curved surface, such as F R G, would be the best, because it has no angles.

  1. The braccio is one foot ten inches and seven eighths English measure.