The Mathematics Gallery at the University of Perugia
https://sites.unipg.it/centri/cams/musei-orti/galleria-di-matematica
You can visit the University of Perugias Mathematics Gallery, inaugurated in May 2014, at the University Museum Complex in Casalina. The Gallery houses a vast collection of exhibits and offers numerous hands-on activities to engage the public. Among the various models on display, you can admire Leonardo da Vincis prototype of the Ycocedron Abscisus Vacuus and Paciolis Icosahedron.
http://www.ambrosiana.eu/cms/biblioteca/1-biblioteca.html
Here you can admire Luca Paciolis work The Divine Proportion, with original drawings by Leonardo. The 3D paper model of the Ycocedron Abscisus Vacuus made by Professor Emanuela Ughi has also been on display since 23 July 2015.
Capodimonte Museum in Naples
The museum houses the portrait of Luca Pacioli and his student (1495) by the painter Jacopo de' Barbari. The Franciscan friar is depicted while he is trying to prove the theorem of Euclid in the company of a young man, perhaps Guidobaldo da Montefeltro, to whom he dedicated his work Summa de arithmetica, geometria, proportioni et proporzionalitą.
Sansepolcro
http://www.bibliotecasansepolcro.it/
In the hometown of Pacioli there is a statue dedicated to him in Piazza San Francesco, in front of the monastery where the scholar lived, and a plaque on Via dei Cipolli where he was born. The Summa de arithmetica, geometria, proportioni et proporzionalitą is kept in the Public Library.
Urbino
http://matematica.unibocconi.it/sites/default/files/AeB/Turismo/AB_05_32.pdf
When arriving in the city of Urbino you are greeted by an icosahedron model (a figure in the book The Divine Proportion), one of the regular polyhedra, made in wood by students at the local Academy of Fine Arts. There is also a special sightseeing route through the streets of the city, which takes you to all of the places and monuments related to the illustrious people that have made the city famous.
Leonardiano di Vinci Museum
http://www.museoleonardiano.it/ita/museo/il-percorso-espositivo
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