Diagram 28 illustrates a method published by Jacques Androuet Du Cerceau, a French architect and who wrote handbooks for artists on the Italian style. Turner’s diagram is based on an illustration from Du Cerceau’s Leçons de Positive 1576.
Here the ‘distance point’ method of the previous diagram (shown to the left) is more explicit. Turner shows how to use a central point (E for Eye) and two distance points (V) to draw a cube with a face parallel to the .
Gallery label, August 2004