Reusable collapsible coffee carrier

I regularly go fetch coffee for my wife and I, they used to provide fairly decent cardboard carriers, but not they only have those awful ones that you stick the bottom of the cup into. They feel unstable, and for 2 cups are not much better than just carrying two cups.

So I decided to design a reusable carrier that I could leave in my bag fairly flat, but easily setup when needed.

The handle prints in place with the integral pivot points, the idea is that the handle can be inserted in the c