BB8, the new Astromech Droid from Star Wars, The Force Awakens was a popular character from the second the droid appeared in a teaser trailer. That popularity has only grown since and it’s inevitable that clever people would want to make their own. Here’s a bunch of stuff on people making BB8.
First a video from Tested.
And post from Solidsmack
A post on how BB8 works.
And this from a very talented young maker in the Phillipines.
H/T Adam Savage.