Architectural Museum 3D Replica Geometric Icosahedron 7.5" Wooden Model The Platonic figures, the ‘supreme expression of the majesty of geometry’, were revered by philosophers and mathematicians of ancient Greece & the Renaissance. The mysterious powers of mathematics and science and its application to art were a favorite study of the quintessential Renaissance man, Leonardo Da Vinci (1452-1519). His delicately shaded illustrations of polyhedrons appear in Luca Pacioli’s 1509 book De Divina proportions. These shapes were thought to be related to the elements: the cube to Earth, tetrahedron to fire, octahedron to air, icosahedron to water, and dodecahedron to the heavenly ether. Enjoy the classic beauty and pleasing proportions of these timelessly intriguing shapesOn May-24-18 at 16:30:30 PDT, seller added the following information: