An upside-down paper cup already looks a little like it’s waiting for permission to launch. Give it a desk, two strips of tape, and room to rise the width of

An upside-down paper cup already looks a little like it’s waiting for permission to launch. Give it a desk, two strips of tape, and room to rise the width of a finger. That’s the whole project. The still illustrations here sketch the idea. The interesting part of your own post