# Geometric Torus Form

**URL:** <https://boards.straightdope.com/t/geometric-torus-form/817957>\
**Category:** Factual Questions\
**Created:** [July 15, 2018, 6:31pm UTC](https://boards.straightdope.com/t/geometric-torus-form/817957 "2018-07-15T18:31:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Casparlatete](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/casparlatete/32/3377_2.png) [@Casparlatete](https://boards.straightdope.com/u/Casparlatete)\
**Post date:** [July 15, 2018, 6:31pm UTC](https://boards.straightdope.com/t/geometric-torus-form/817957/1 "2018-07-15T18:31:40Z")

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What would be the name (if any) of a Torus which was octagonal in section and comprised of 20 short straight elements (giving it 160 facets), please?

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**Author:** ![watchwolf49](https://avatars.discourse-cdn.com/v4/letter/w/e9c0ed/32.png) [@watchwolf49](https://boards.straightdope.com/u/watchwolf49)\
**Post date:** [July 15, 2018, 9:19pm UTC](https://boards.straightdope.com/t/geometric-torus-form/817957/2 "2018-07-15T21:19:00Z")

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This general class of shapes here is the [“toroidal polyhedron”](https://en.wikipedia.org/wiki/Toroidal_polyhedron) {Wikipedia} … looks like only a couple have formal names neither of which apply to yours …

Toroidal polyhedron of 160 sides … perhaps toroidal polyhedron 8x20 is more descriptive … best I can suggest is rely on context to explain the shape, and the listeners’/readers’ access to Wikipedia …

ETA: Note that a torus is _defined_ as being a circle in cross section …

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**Author:** ![Casparlatete](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/casparlatete/32/3377_2.png) [@Casparlatete](https://boards.straightdope.com/u/Casparlatete)\
**Post date:** [July 16, 2018, 10:27am UTC](https://boards.straightdope.com/t/geometric-torus-form/817957/3 "2018-07-16T10:27:37Z")

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watchwolf; Thank you.