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Tag Archives: geometry
The Eighteenth Stellation of the Rhombicosidodecahedron Is an Interesting Polyhedral Compound
The 18th stellation of the icosidodecahedron, shown above, is also an interesting compound. The yellow component of this compound is the rhombic triacontahedron, and the blue-and-red component is a “stretched” form of the truncated icosahedron. This was made using Stella … Continue reading
Posted in Mathematics
Tagged compound, geometry, Mathematics, polyhedra, polyhedron, rhombic triacontahedron, rhombicosidodecahedron, stellation
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The Equal-Edge-Length, Pyramid-Augmented Rhombicosidodecahedron
The only difference between these two images is that the lower one is in “rainbow color mode.” Both were created using Stella 4d, which you can try for free at this website. I once made a physical model of this … Continue reading
Posted in Mathematics
Tagged geometry, Mathematics, polyhedra, polyhedron, rhombicosidodecahedron
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The Regular Enneagon, and Three Regular Enneagrams
The red figure above is a regular enneagon, or nine-sided polygon, and it has three regular enneagrams (or “star enneagons”) inside it. The light blue figure is called a {9,2} enneagram. The green figure can be viewed two ways: as … Continue reading
Posted in Mathematics
Tagged enneagon, enneagram, geometry, Mathematics, nine, nonagon, nonagram, polygon, star
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A Polyhedron Made of Pentagons, Hexagons, and Octagons
I used software called Stella 4d: Polyhedron Navigator to make this shape, and you can try Stella for free, right here. Sometimes, I use a lot of polyhedral modifications with this program, simply looking for a solid which looks interesting. With … Continue reading
Posted in Mathematics
Tagged geometry, mahematics, polyhedra, polyhedron, random walk
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