Sphere It is a very curious and beautiful icon theme with very well worked images as you can see in the image above.
Its creator designed it for Gnome 3 and contains icons for Actions, Applications, Devices and MimeTypes. You can download it from here..
Very original :).
Cupped.
They look very original, I'm going to try them
As well as very very original no, seeing them reminded me of my PS Vita. But, they are great !!!