The 9-sided Enneahedron - Numberphile

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 - https://youtu.be/G9_l8QASobI Higher Dimensional Shapes - https://youtu.be/2s4TqVAbfz4 Tetrahedral Boat - https://youtu.be/-IjGexS1T8U Patreon: http://www.patreon.com/numberphile Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet We are also grateful for support from Ben Delo. NUMBERPHILE Website: http://www.numberphile.com/ Videos by Brady Haran Numberphile T-Shirts and Merch: https://teespring.com/stores/numberphile Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9