RobertLovesPi.net

Polyhedra, tessellations, and more.

Mandalas. I make these to relax.

Pentadecagonal Mandalas On a Rotating Cuboctahedron

Stella 4d, a program you may try for free at http://www.software3d.com/stella.php, was used to create this rotating image.

Five Times Three Is Fifteen

Seven Times Two Is Fourteen

Color Wheel Mandala

Mandala Based On the Number Five

Five and Dime III

Five and Dime II

Five and Dime

Eleven and Twelve

Eleven

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The Beginning of the Number Pi, in Binary Through Hexadecimal, etc.
The 15-75-90 Triangle
How Many Triangles Are Defined By a Regular Polygon and Its Diagonals?
Rampant Islamophobia At "The Gun Cave" -- an Indoor Firing Range in Hot Springs, Arkansas, With an Owner Who Wants Her Range to Be A "Muslim Free Zone"
A Half-Solved Mystery: Rotating a Sine Wave
Want Some Really Big Numbers? Here Are the Zoogol and the Zoogolplex.
The 22.5-67.5-90 Triangle
About My Father, My Own Personal Monster
The Compounds of Five Octahedra and Five Cubes, and Related Polyhedra
Earth's Oceans' and Continents' Relative Surface Areas, Analyzed, with Two Pie Charts