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icosahedron |
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icosahedron
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The primary thesis in the Mysterium cosmographicum is that God created the (Copernican) universe to express the five platonic solids (the cube, tetrahedron, octahedron, icosahedron, and dodecahedron). Others, known as icosahedrons or ``bird cages,'' have a distinct geometric design. Shortly thereafter, the company began marketing the novelty item as the Syco-Slate; although the design remained relatively unchanged, the molasses was replaced with a form of generic anti-freeze and the laminated paper cube was replaced with a 20-sided die, or an icosahedron. |
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