It’s a Party in America . . . Tax Refunds Arrived!

irs

Our federal tax refund arrived! Whoo-hoo! We get back money which was ours all along, but was on loan to the government, interest-free . . . hey, suddenly this deal doesn’t sound so great after all . . . .

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Op Art on a Dodecahedron

Dodeca

I used Geometer’s Sketchpad and MS-Paint to make the designs on the faces, and then assembled the dodecahedron with Stella 4d, a program you may try here.

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Cyclops

Cyclops

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A Music Video for David Bowie’s Song “Ziggy Stardust”

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A Great Rhombicosidodecahedron Inspired By David Bowie, As Ziggy Stardust

Ziggy's Trunc Icosidodeca

I made this with Stella 4d, which you can try for yourself at this website.

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Cluster of Six Rhombicosidodecahedra

Augmented Cubocta

To make this cluster, start with a cuboctahedron, then augment each of its square faces with rhombicosidodecahedra. Although the cuboctahedron has cuboctahedral symmetry, this cluster does not — rather, it has tetrahedral symmetry. I created this using Stella 4d, which is available here.

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A Fullerene Molecule with 320 Carbon Atoms

C320

I created this image using Stella 4d: Polyhedron Navigator, which is available here.

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