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Leonardo da Vinci's Geometric Sketches - Icosahedron

Frank J. Swetz (The Pennsylvania State University)


We thank the Pennsylvania State University Libraries for allowing Convergence to publish the images above of Da Vinci’s illustrations from their copy of the beautiful facsimile of Pacioli’s De divina proportione published by Silvana Editoriale, Milan, Italy, 1982. This facsimile is of the manuscript copy of Pacioli’s Divina held by the Biblioteca Ambrosiana in Milan, one of only three Pacioli made.

Frank J. Swetz (The Pennsylvania State University), "Leonardo da Vinci's Geometric Sketches - Icosahedron," Convergence (June 2010), DOI:10.4169/loci002559