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[–][deleted] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

Cool. It's called a Torus in math and trivially has one topological hole. If someone could code one, that is shaped like a coffee-mug, you'll get the deep purple-colored math joke that is hidden in this one INSTANTLY. Thumb's up.