Which artist departed from the convention of frontality by placing figures on a triangular base?

A) Piero della Francesca
B) Paolo Uccello
C) Andrea del Castagno
D) Antonio de Pollaiuolo

Triangular Base

A shape or structure whose base is in the form of a triangle, often used to provide stability or add an aesthetic element to architecture and objects.

Convention of Frontality

An artistic convention in which figures are presented facing forward directly to engage the viewer, commonly used in Egyptian and Byzantine art.