Da Vinci icosahedron and Jenn 3D tool for visualizing Coxeter polytopes

Leonardo da Vinci (1452-1519) was a great lover of geometry. His most outstanding polyhedral accomplishment is the illustrations for Luca Pacioli's 1509 book The Divine Proportion.

Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Click the figure below to see the illustration.


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Da Vinci icosahedron and Jenn 3D tool