| Bigger Rhombic Dodecahedron |
Central Icosahedron |
Parallelepiped |
Rhombic 132 Polyhedron |
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| Rhombic Dodecahedron |
Rhombic Icosahedron |
Rhombic Rhombohedron |
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| Cube inside Dodecahedron |
Dodecahedron in cube |
Inner Icosahedron |
Inner Rhombic triacontahedron |
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| Octahedrons inside Dodecahedron |
Regular Tetrahedron inside Dodecahedron |
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| brocken sticks puzzle |
thirty hexagon sticks |
thirty triangle sticks |
Twelve hexagon sticks |
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| dozen Rolling pins |
Ellipse demonstration |
Hyperbola demonstration |
Parabola demonstration |
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| thirty Rolling pins |
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| whirligiging Carambole |
whirligiging Hexagon |
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| whirligiging Cube |
whirligiging Dodecahedron |
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| expanding Dodecahedron |
expanding Icosahedron |
expanding Octahedron |
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| saddle |
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| Mobius of Triangular Tangent |
Torus |
Triangular Mobius |
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