Octagons Can Tile a Plane II

In April 2014, I found a tessellation of the plane which uses two kinds of octagons — both types equilateral, but only one type regular.

Now, I have found two more ways to tessellate a plane with octagons, and these octagons are also equilateral. However, in these new tessellations, only one type of octagon is used. One of them appears below, twice (the second time is with reversed colors), and the other one appears, once, in the next post.

tessoct

tessoct 2

Sprawling Golden Tiling, in Progress

Image

sprawling golden tiling

Tessellations (Two Colorings) Featuring Regular Octadecagons, Squares, and Convex Pentagons

tess 18tess 18 rc

Two Colorings of a Tessellation Featuring Regular Pentadecagons

tess24btess24b freeze

Two Colorings of a Tessellation Featuring Regular Polygons with 24 Sides

tess24tess24b

Tessellation Featuring Regular Pentagons and Regular Pentadecagons

tess new

Other polygons included in this tessellation include several types of rhombi, as well as triconcave octadecagons. The pattern is chiral, but the chirality is subtle. (Hint: look near the pentagons.)

A Rhombic Enneacontahedron, Adorned with Jumpy Tessellations Which Resemble Rhombic Enneacontahedra

Zonohedrified Dodeca.gif

Software credit: I made this using Stella 4d, available here.

Awake

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awake

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

Two Three Six Twelve

tess 6 4 3 4 variation