Tag Archives: dodecagon

The Dodecagonal Duoprism

There are objects in hyperspace known as duoprisms, which have prismatic cells. This one’s cells are 24 dodecagonal prisms. It was made using Stella 4d, available here.

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The Truncated Cube, with Two Variations Featuring Regular Dodecagons

This is the truncated cube, one of the thirteen Archimedean solids. If the truncation-planes are shifted, and increased in number, in just the right way, this variation is produced. Its purple faces are regular dodecagons, and the orange faces are … Continue reading

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Six Convex Polyhedra Featuring Convex Dodecagons, Some of Which Are Regular

Individual images may be enlarged with a click. They were created using Stella 4d: Polyhedron Navigator, which may be tried for free at http://www.software3d.com/Stella.php.  

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Two Convex Polyhedra with Tetrahedral Symmetry, Each Featuring Four Regular Dodecagons

The polyhedron above is a tetrahedrally-symmetric polyhedron featuring regular dodecagons and triangles, as well as two types of trapezoidal faces. To make this second polyhedron from the first one, I first augmented each dodecagonal face with an antiprism, took the … Continue reading

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A Mandala Made of Hexagons, Enneagons, and Dodecagons

I recently re-discovered this “lost work,” which I made using Geometer’s Sketchpad, in 2011 — before I started this blog, which is why it has not appeared here before.

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A Variant of the Octahedron Which Features Regular Dodecagons and Quadrilaterals of Three Types

(See here for more information on Stella 4d, the software used to create this image.)

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Tessellation Featuring Squares, Regular Hexagons and Dodecagons, and Thirty Degree Rhombi

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