Eights

Posted on 15 May 2021 by RobertLovesPi

This began with an {8/3} star octagon. It then started spreading.

A Starry Icosidodecahedron

Posted on 15 May 2021 by RobertLovesPi

The stars on the pentagonal faces were drawn using Geometer’s Sketchpad and MS-Paint. The icosidodecahedron itself was created using Stella 4d: Polyhedron Navigator, which you can try for free at http://www.software3d.com/Stella.php.

Seven Stars

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A Polystar, Made of Golden Triangles and Golden Gnomons

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Many Stars (Two Versions)

Posted on 28 March 2021 by RobertLovesPi

Below is the same starry pattern, but with a different coloring-scheme.

Which one do you like better?

Three Pentagrams (from 2011)

Posted on 31 January 2021 by RobertLovesPi

I ran into this on Facebook, where I posted it in 2011. That was the year before I started this blog.

At 53, My Age Is a Prime Number Again

Posted on 12 January 2021 by RobertLovesPi

It has long been a tradition of mine to make star polygons to mark my birthdays. Since I’m 53 today, here’s a 53-pointed star.

Spectral

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My Birthday Star for 2020

Posted on 12 January 2020 by RobertLovesPi

This is the day I turn 52 years old, and I’m marking the occasion with a 52-pointed star. This particular star is a compound of four thirteen-pointed stars, each shown in a different color. This works because (4)(13) = 52.

The 5/2, 5/2 Duoprism

Posted on 30 December 2019 by RobertLovesPi

I made this duoprism, a four-dimensional polytope, using Stella 4d. You can try this program for yourself, free, at http://www.software3d.com/Stella.php.