There are SIX Platonic Solids

Meet the Hyper-Diamond! It's the sixth Platonic Solid and it only works in the fourth dimension.

Your best google bet to find more about the hyper-diamond is "24-cell".
http://mathworld.wolfram.com/24-Cell.html

Watch my Royal Institution lecture about 4D shapes:
https://www.youtube.com/watch?v=1wAaI_6b9JE

My book: http://makeanddo4d.com/
Maths Gear: http://mathsgear.co.uk/

4D animations made with Stella4D: http://www.software3d.com/Stella.php

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/

Music by Howard Carter
Design by Simon Wright

Видео There are SIX Platonic Solids канала Stand-up Maths