Solids Of Constant Width

Solids of Constant Width:

Demos:
https://www.youtube.com/watch?v=AoueExyXkWY
https://www.youtube.com/watch?v=a65VLLFYU6k

A modified adaptation of:
http://www.thingiverse.com/thing:193201

There are two versions, both have a diameter of 35 mm