Figures for George W. Hart's
In
the Palm of Leonardo's Hand: Modeling Polyhedra
| Fig. 1 | Fig. 2 | Fig. 3 | Fig. 4 | Fig. 5 | Fig. 6 | Fig. 7 | Fig. 8 | Fig. 9 | Fig. 10 | Fig. 11 | Fig. 12 | Fig. 13 |
Figures for George W. Hart's
In
the Palm of Leonardo's Hand: Modeling Polyhedra
| Fig. 1 | Fig. 2 | Fig. 3 | Fig. 4 | Fig. 5 | Fig. 6 | Fig. 7 | Fig. 8 | Fig. 9 | Fig. 10 | Fig. 11 | Fig. 12 | Fig. 13 |
| Fig. 3. "Elevated icosidodecahedron" from the manuscript
version of De divina proportione. It is a nonconvex construction
of 120 equilateral triangles arranged with icosahedral symmetry. Three-sided
and five-sided pyramids have been erected on the faces of the underlying
icosidodecahedron, which consists of twenty triangles and twelve pentagons.
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