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The 9-sided Enneahedron - Numberphile

2025-06-22

[public] 67.5K views, 3.13K likes, dislikes audio only

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Christian Lawson-Perfect on creating the Herschel Enneahedron. See the free trial from episode sponsor Brilliant - https://brilliant.org/numberphile -- More links & stuff in full description below ↓↓↓

Christian at Newcastle University - https://www.staff.ncl.ac.uk/christian.perfect/

And mathstodon at https://mathstodon.xyz/@christianp

Christian's blog post about this - https://aperiodical.com/2013/10/an-enneahedron-for-herschel/

3D printable enneahedron on thingiverse at https://www.thingiverse.com/thing:248603

More interesting Numberphile videos:

Dodecahedrons - /youtube/video/G9_l8QASobI

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Tetrahedral Boat - /youtube/video/-IjGexS1T8U

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