Tags » Icosahedron


July 11 – 192

Mathematica 10.1 Sphere assembled from twenty spherical triangles corresponding to the vertices of an icosahedron. From a script by  Sándor Kabai and Máté Salát.

One Image A Day - 364 Days

Engineering Drawing: My Final Project

In my post about my design skills blossoming, I talked about how in my engineering class, we had to create a chair and a desktop system that could be applied to many chair designs. 684 more words


A Cluster of Twenty Great Icosahedra, Excavated from the Faces of a Central Icosahedron, Along with Its Dual

These twenty great icosahedra were excavated from the faces of a central icosahedron, which is concealed in the figure’s center. These excavations exceed the limits of the central icosahedron, resulting in each great icosahedron protruding in a direction opposite that of the face from which it is excavated. 47 more words


A Great Icosahedron, Augmented with Twenty Icosahedra

The polyhedral clusters above and below use different coloring-schemes, but are otherwise identical. Invisible, in the center, is a great icosahedron. Each of its faces has been augmented by a (Platonic) icosahedron. 12 more words



May 21 – 141

Move & Turn. Truncated stereo-icosahedron on a Japanese background.

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I’m always impressed by the knowledge and talent of our geometry students.  They enjoyed the last couple weeks of school by making origami polyhedrons.

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