Monthly Archives: May 2017

Spectral Circles on a Truncated Icosahedron

I used MS-Paint and Geometer’s Sketchpad to make the designs on the faces, and then used Stella 4d (here) to put the whole thing together.

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Spectral Circles

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Heptagrammic

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June 13 Special Election in the PCSSD

Voters in the Pulaski County Special School District in central Arkansas vote, June 13, on a millage extension. This isn’t a new tax, but just an extension of what we already pay in property taxes. The schools need this money … Continue reading

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I used to donate occasionally to the ACLU, but then Donald Trump became president, so I set up a monthly payment plan.

If you’d like to join this part of the resistance, here’s a link to the ACLU, right here.

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Augmenting the Octahedron with Octahedra, Repeatedly.

This is an octahedron. If you augment each face of an octahedron with more octahedra, you end up with this. One can then augment each triangular face of this with yet more octahedra. Here’s the next iteration: This could, of … Continue reading

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Two Polyhedra, Each Featuring Enneagons and Octagons

I used Stella 4d: Polyhedron Navigator to make these. You can try it for yourself at http://www.software3d.com/Stella.php.

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