A hub C5

A hub with cyclic group of symmetry of type C5. We can compare it with another hub; or w...

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A hub D7

A hub with a dihedral group of symmetry of type D7 (if we ignore the central mark...). Fro...

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A hub D3

A hub with a dihedral group of symmetry of type D3 (if we ignore the central mark...). Fro...

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A hub D4

A hub with a dihedral group of symmetry of type D4. We can compare it with another hub; ...

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A hub D4

A hub with a dihedral group of symmetry of type D4 (if we ignore the central ellipse...). ...

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A hub D6

A hub with a dihedral group of symmetry of type D6 (if we ignore the central mark...). Fro...

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A clapper

A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...

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A clapper

A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...

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A clapper

A dihedral symmetry of type D1 in this clapper in Val Brembana in Bergamo.From the point o...

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A clapper

A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...

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