Three Rings of Eleven

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Three Rings of Eleven

Eye

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eye

SevenStar

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SevenStar One

Tessellation of Concave Hexagons

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concave hexagon tessellation

Another Tessellation of Octagons

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Several tessellations of octagons have been published in this space in the past. Here’s the latest in this occasional series.

another octagon tessellation

Floral Shield #2

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Floral Shield 2

This is one of the aperiodic tilings made famous by Roger Penrose.

Floral Shield

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Floral Shield

Conjoined Small Stellated Dodecahedral Triplets

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The central small stellated dodecahedron is augmented on two opposite star-faces by additional small stellated dodecahedra.

Augmented Small Stellated Dodeca

I made this using Stella 4d: Polyhedron Navigator, available at http://www.software3d.com/Stella.php.

Congratulations! We’ve Survived One Year of President Trump.

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dotard

There are no guarantees regarding future years.

Fiftystar: My 2018 Birthday Star

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Every year, it is my tradition to make a star for my birthday. This is the one for today, with fifty points for my new age.

star 50

I like the view from age 50. I can see half-centuries before and after right now. To see 1968, I look into the past, which is behind me. If I look forward, I see ideas for what 2068 could be like.