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The lamps

Side journeys
Da Vinci
Divine proportion
Dodecahedron
Dymaxion
Euclid
Golden mean
Hexagon
Icosahedron
Icosidodecahedron
Making a lamp
Motivation
Octagon
On my workbench
Pentagon
Pacioli
Paper
Plato
Rhombicosido-
decahedron
Rhombicub-
octahedron
Symmetry
Truncation
Wood
Zometool
 

Pacioli hangs it up

Painting of Luca Pacioli

Painting of the Renaissance geometer, Fra Luca Pacioli, by Jacopo de Barbari, 1495, Capodimonte Museum, Naples. In the upper left, there is a glass rhombicuboctahedron hanging from the ceiling, half filled with water. (Note also the model of a dodecahedron in the lower right.)


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