A Tessellation Featuring Regular Pentadecagons and Hexagons, As Well As Isosceles Trapezoids and Triangles

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Tessellation featuring regular pentadecagons and hexagons, as well as isosceles trapezoids and triangles

Hexagon the Kitten Is Recording My Computer Activity

So I’m looking at Facebook, and all of a sudden Hexagon the Kitten is on the keyboard. Zap! Screenshot captured at feline speed — before I could grab the little rogue.

Hexagon's schreenshot

This is the first of four pages of information which Hexagon attempted to print this morning — a screenshot of the top of my Facebook timeline. She tricked me into losing the other three pages, which were simply more records of recent activity on Facebook.

She was also, as the image above shows, trying to print in black and white, which seemed interesting. I looked it up, and cats have far more rods than cones, compared to humans, so I guess Hexagon doesn’t see color as that important.

Hexagon kitten young

She also typed the following into the keyboard:

Hexagon's typing

What is Hexagon’s goal with all of this computer activity? If I ever figure it out, I’ll post my findings here.

Our New Kitten

We have a new kitten. Her name is Hexagon.

Hexagon the Kitten

Tessellation of Concave Hexagons

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concave hexagon tessellation

A Variant of the Icosidodecahedron Featuring Four Hexagons

tetrahedrally modified icosidodecahedron.gif

This was made using Stella 4d, a program you can try for yourself at http://www.software3d.com/Stella.php.

A Variant of the Rhombicosidodecahedron Featuring Four Hexagons

Convex hull.gif

This was made using Stella 4d, a program you can try for yourself at http://www.software3d.com/Stella.php.

Tessellation of Blue Triangles and Yellow Concave Pentagons

triangles and pentagons

Alternately, this can be seen as a tessellation of blue diconcave hexagons and yellow triconcave enneagons. Which do you see?

Tessellation Featuring Regular Enneagons, Regular Hexagons, and Isosceles Triangles

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tessellation-2

A Mandala Made of Hexagons, Enneagons, and Dodecagons

recreational math from 2011

I recently re-discovered this “lost work,” which I made using Geometer’s Sketchpad, in 2011 — before I started this blog, which is why it has not appeared here before.

Order-Six Radial Tessellations of the Plane, Using Elongated and Equilateral Hexagons, Rendered with Twelve Different Coloring-Schemes

I explored radial tessellations of the plane, using only hexagons, in this earlier post. Order-three tessellations of this type are the familiar regular-hexagon tessellations of the plane. With higher-order all-hexagon radial tessellations, though, the hexagons must be elongated, although they can still remain equilateral, and all congruent, with bilateral symmetry. In that previous post, examples were shown of order 4, 5, and 8, in addition to the familiar order-3 regular-hexagon tessellation.

This left out order-6, of which I show many examples below. As it turns out, this particular radial tessellation lends itself particularly well to a variety of coloring-schemes. In the first picture, the construction-circles, -points, and -lines I used are shown; in the rest, they are hidden.

No upper limit exists to the order-number of these all-hexagon radial tessellations — although the larger that number gets, the thinner the hexagons become, relative to their edge length. At some point (which I expect would vary from person to person), as the order-number increases, the hexagons needed will become so thin that they will no longer be recognizable as hexagons.

frequency 6 radial tessellation of hexagons with construction lines

Next, with construction artifacts hidden, are some two-color designs I found.

frequency 6 radial tessellation of hexagons without construction lines 2-color

frequency 6 radial tessellation of hexagons without construction lines 2-color version two

Here are some which use three colors each:

frequency 6 radial tessellation of hexagons without construction lines 3-color version colored by another system

frequency 6 radial tessellation of hexagons without construction lines 3-color version two

frequency 6 radial tessellation of hexagons without construction lines 3-color

frequency 6 radial tessellation of hexagons without construction lines 3-color version colored by rings

I also found some four-color patterns with interesting symmetry:

frequency 6 radial tessellation of hexagons without construction lines

frequency 6 radial tessellation of hexagons without construction lines. four colors version 2png

Finally, here are some which each use six colors.

frequency 6 radial tessellation of hexagons without construction lines 6-color version two

frequency 6 radial tessellation of hexagons without construction lines 6-color version colored by another system

frequency 6 radial tessellation of hexagons without construction lines 6-color