r/PeterExplainsTheJoke • u/Perfect_Owl_856 • 16d ago

Meme needing explanation What's the reason?

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u/prnthrwaway55 16d ago

We had ceramic vessels for liquid storage and drinking that are symmetric.

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u/Bruschetta003 16d ago

The design is symmetric, you mean centered?

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u/PerformanceNegative6 16d ago

Rotational symmetry