How many ways can you join regular pentagons?

Thanks to Jane Street for supporting this video. Curved-Crease Sculptures by Erik Demaine and Martin Demaine The original paper: “A Complete List of All Convex Polyhedra Made by Gluing Regular Pentagons“ Get your hexagon equivalent here: Cookie. Clicker. Like that video is going to happen. Huge thanks to my Patreon supporters. They keep all my polyhedra convex. CORRECTIONS - None yet, let me know if you spot anything! Filming and editing by Alex Genn-Bash Written and performed by Matt Parker Produced by Nicole Jacobus Music by Howard Carter Design by Simon Wright and Adam Robinson MATT PARKER: Stand-up Mathematician Website: US book: UK book: