Six Circles

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six-circles

Nineteen Circles II

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19 circles

Rippling Tessellation Using Squares, Regular Octagons, and Octaconcave, Equilateral Hexadecagons

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Rippling Tessellation Using Squares, Regular Octagons, and Octaconcave, Equilateral Hexadecagons

Triangles and Circles

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Triangles and Circles

Great Circles

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Great Circles

These great circles are all in the reflection planes of an icosidodecahedron, but that polyhedron, itself, is invisible here.

Software credit: see http://www.software3d.com/stella.4d

73 Circles

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73 Circles

Fifth Wheel

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Fifth Wheel

Tricycle

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tricycle
(Click to enlarge)

Color Wheels

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Color Wheels

Interfering Ripples

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Interfering Ripples