Here's our trick for managing, creating, deploying, and sharing icons. There's a Sketch file with all our icons that's checked into our codebase. A build script exports the shapes into SVG data and inlines them using React. We also talk about flattening shapes and other pitfalls. Enjoy!
We have been following a similar workflow - if not exactly that - for a year now
There are a few differences in the way we do this, but it also feels magical.
I might write something about it one day.
ps: we really love Paper - and use it extensively.