(p12, r3, g8, s.378, m0)

Dodecagon prototile
Minimum rotation: 2&pi/3
Generating polyform: 7-hex
Rotation between successive generations: 19.1 degrees (1/root7)

Matching rule A:

Matching rule B:

Matching rule B, detail. A 14-hex hole is formed that repeats smaller and smaller with each successive generation:

All images copyright Robert Fathauer

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