This looks like an alchemist and his minion to me! (Italy, 1495.)
Leonardo da Vinci's rhombicuboctahedron http://en.wikipedia.org/wiki/Rhombicuboctahedron
Luca Pacioli – Letra S, De Divina Proportione
"Retrato de Fra Luca Pacioli e seu Aluno". (1495). (by Jacopo de' Barbari).
Luca Pacioli’s "De Divina Poroportione"Leonardo da Vinci.
Leonardo da Vinci for Luca Pacioli's 1509 book De Divina Proportione (The Divine Proportion). Drawing of the Duodecedron Abscisus Elevatus Vacuus, consisting of 120 equilateral triangles.
Golden Ratio in an Illustration. “Without mathematics there is no art.” –Luca Pacioli
The golden ratio is explored in Luca Pacioli's book 'De divina proportione' of 1509 - (portrait of Pacioli by Jacopo de' Barbari - 1500s)
Stella Octangula, from "De Divina Proportione" by Luca Pacioli, Published 1509, Venice
De Ludo Scachorum di Luca Pacioli. Edizione in facsimile.
De Divina Proportione is a book by Luca Pacioli illustrated by Leonardo da Vinci
Luca Pacioli, from De Divina Proportione
Portrait of Luca Pacioli
De Divina Proportione is a book by Luca Pacioli illustrated by Leonardo da Vinci | Graphicine
Icosahedron, from "De Divina Proportione" by Luca Pacioli, Published 1509, Venice by Leonardo da Vinci
Painting of the Renaissance geometer, Fra Luca Pacioli by Jacopo de Barbari, 1495