I found these on Facebook, and could find no evidence that I’d ever blogged them here — so here they are. The first one is based on the number nine, while the second is based on fifteen.
Two Mandalas (from 2013)
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Tag Archives: fifteen
A Compound of Fifteen Cuboids — Which Is Also a Particular Faceting of the Icosidodecahedron
The creator of Stella 4d, the program I used to make these rotating polyhedral images, is Robert Webb (and the software itself may be tried for free here). Recently, on Facebook, he displayed a paper model of this compound of fifteen cuboids, pointed out that it is a faceting of the icosidodecahedron, and I (being me) took that as a challenge to make it myself. Here is my first result, in which all fifteen cuboids have different colors.
I then realized that RW had rendered his in only five colors, so I studied his post more carefully, and made the appropriate adjustments to do the same:
If you’d like to find the Stella page on Facebook, here is a link to it.
5, 10, and 15 (from 2012)
I recently found a bunch of my “lost” geometrical art which never found its way to this blog before, and here’s the latest piece of it. Created in 2012, it has a central pentadecagon, five orange decagons partially hidden behind other polygons, and many pentagons, all of them regular.
A Torus, Composed of Fifteen Interpenetrating Rhombicosidodecahedra
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Software credit: I used Stella 4d to make this, which is available at http://www.software3d.com/Stella.php.
Fifteen
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Five Times Three Is Fifteen
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Fifteen Decagons II
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Fifteen Decagons
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RobertLovesPi.net 