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Second Round of Stone Carvings

These are all of obsidian that I collected from Eastern Oregon.  Sized 1 1/2 – 2 1/2 inches.  Dodecahedron, CubeOctahedron and my first Star Tetrahedron.  The range of obsidian varieties is amazing and beautiful.  Top and Bottom Dodecahedra still available. . .

42 Rhombic Dodecahedra 02

42 Rhombic Dodecahedra

This carving is based on the space-filling property of Rhombic Dodecahedra.  One in the center, 12 around that and then the layer of 42 that this carving is based on.  You can theoretically keep stacking on concentric layer upon layer of more and more equal sized rhombic dodecahedra, and your stackings will infinitely approach a …

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92 Rhombic Dodecahedra

Based on concentric stacking of equal sized spheres (or rhombic dodecahedra). 1 in the center, surrounded by 12, those surrounded by 42, those surrounded by the 92 you see here.  This pattern can be infinitely expanded, stacking on more and more layers, infinitely approaching a CubeOctahedron.