A Tessellation Featuring Regular Enneagons and Triangles, as Well as Concave Octagons and Six-Pointed Stars

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Four Polyhedra with 7-Fold Pyramidal Symmetry

Posted on 2 January 2023 by RobertLovesPi

I made these four polyhedra using Stella 4d, which you can try for free right here.

A Caffeinated Rhombic Dodecahedron

Posted on 1 January 2023 by RobertLovesPi

This image of a caffeine molecule comes from this website. I put it on the faces of this rhombic dodecahedron, and created this rotating model, using Stella 4d: Polyhedron Navigator, which you can try for free right here.

Tessellation Featuring Squares, Regular Heptagons, and Two Types of Four-Pointed Stars

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Tessellation Featuring Regular Heptagons and Triangles, as Well as Four- and Six-Pointed Stars

Posted on 30 December 2022 by RobertLovesPi

It’s difficult to work regular heptagons into a symmetrical pattern, so I’m quite proud of this one.

Blue Staircase Tessellation

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A Tessellation Which Would Make a Terribly Confusing Traffic Sign

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A Non-Convex Polyhedron Made of 180 Kites

Posted on 29 December 2022 by RobertLovesPi

I just woke up, and found this waiting for me on my computer. Apparently, I made it when I was half-asleep, hours earlier. I made it using Stella 4d, which you can try for free right here. Its faces are 60 small red darts, and 120 large yellow darts.

A 72-Faced Polyhedron

Posted on 29 December 2022 by RobertLovesPi

The faces of this polyhedron include twelve regular decagons, as well as sixty convex pentagons. I made it using Stella 4d: Polyhedron Navigator, which you can try for free at http://www.software3d.com/Stella.php.

Two Views of the Final Stellation of the Icosidodecahedron

Posted on 28 December 2022 by RobertLovesPi

In the image above, the icosidodecahedron’s final stellation is colored by face type. In the one below, I used “rainbow color mode.” Both were made using Stella 4d, which you can try for free at http://www.software3d.com/Stella.php.