How to realize this shape

 From:  Finema
7891.1 
Hi
I've an other problem with shape and MOI.
What's the best way to do facets under a cylindrical bottle.
My shape of depart is a bottle (simple revolution) see attachment.
I would like to add randomize facets (see second attachment).
I'm just searching for a process.
Thanks in advance.

EDITED: 9 May 2020 by FINEMA