What is a Rhombicuboctahedron, an Illustration by Leonardo da Vinci

Leonardo da Vinci’s illustration in Divina Proportione. 1509.

Rhombicuboctahedron. Leonardo da Vinci’s illustration. 1509.

During the Renaissance, artists and mathematicians valued pure forms with symmetry.

Around 1620 Johannes Kepler had completed the rediscovery of the 13 polyhedra, as well as defined the prisms, antiprisms, and the…