Fidget Spinner Enclosed Penny Weight

Use on any 608 bearing Fidget Spinner!

This is a remix of Travo's Penny Adapter for Fidget Spinners (http://www.thingiverse.com/thing:2254960). Like Travo I hate the idea of wasting money on 3 extra bearings that are just used as weights - even cheap bulk bearings cost 15-20c each whereas these weights come in at approximately 2c of filament (and 4c of pennies)!

I didn't like the open look with exposed pennies (or the possibility of them flying out) so I modified their design to includ