I made these custom speakerdog guys for my moms birthday after making a few from the site [link]
. She's an 8th grade science teacher, thus they're themed with the things she teaches (mostly earth science).
On the outside of each one I put a pattern relating to the theme on the underside. Volcanoes, oceans, and the atmosphere were the best things I could think of to use. On the insides I put random pictures of each theme that I livetraced. On the top/underside of the box I put a diagram.
Here's the way I set it up in illustrator: [link]
These are a really fun way to get involved in making papercraft art, since they're super easy 10 minute projects and there's 50+ designs on the site for you to choose from.