Plate 1: the genius of drawing, a child with wings, seated on a rock in center turned towards the right, holding a drawing pad and pen, ruins including a triumphal arch to right in the background, the title page from "The Principles of Design" (I principii del disegno)

ca. 1641–43

Etching; second state of two

12 × 15.6 cm (4.7 × 6.1 in)