Beginning students who study here learn drawing techniques to capture edges, mentally measure lines and angles and separate light/shadow patterns to make an object look real - all of this happens in one of their first lessons. They often draw a folded piece of paper as a way to practice the techniques ... the complexity of the folds depends on the experience of each student.
If you're one of my students, I've probably asked you to do a homework project involving paper and suggested you look at this blog for ideas. To inspire interesting homework projects, here are some helpful paper folding links ...
Folding a paper boat -> http://inspirestudy.blogspot.com/2012/07/fun-with-paper-on-fly.html
How about a bird ->
And finally the simplest option ... paper airplanes