Pl | 0a | 0b | 1a | 1b | 2 | 2a | 3 | 4 | N5 | Cy

Orientable genus 1 — the torus

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All {4,4}, self dual.

All line images on this page were created by Nick Wedd.
The coloured image was created by Professor Carlo Séquin, and is used with his permission.