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geometor.pacioli is part of the GEOMETOR initiative by phi ARCHITECT, dedicated to the digital reconstruction and geometric analysis of Fra Luca Pacioli's treatises.

Our edition of De Divina Proportione synthesizes the 1509 Venice editio princeps printed by Paganino Paganini (featuring Leonardo da Vinci's sixty polyhedra woodcuts, the twenty-three Roman capital letter plates, and marginal Euclidean diagrams) with Constantin Winterberg’s 1889 Vienna critical edition and commentary.