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Hierarchical 3D Steiner chain

ROGAL DDL - EBE EBE / SZYMON TUR & WOWO

Hopf torus of the tennis ball curve

Invader

Truncated icosidodecahedral prism (or great rhombicosidodecahedral prism, or griddip)

Hyperbolic truncated icosidodecahedral prism (great rhombicosidodecahedral prism, griddip)

Twenty Hopf tori