Packaging Egg Box - No, it isn't software exactly. But it is a great example of a design that works well at revealing the beauty and nature of the content to the user rather than hiding it, which is what UX design ought to do more.
This modification to the averge system of carrying fast food is more effective than the regular bag. Brilliant packaging designed to provide a more convenient way for fast-food industry. By Seulbi Kim, Rhode Island school of Design. Very clever PD