TDA: Rattle

This is a simple children's rattle that I created as part of a project for English class ( see http://www.thingiverse.com/thing:10789 ). It is not directly based off of anything mentioned in The Diamond Age that I know off, but you should buy and read that book anyway.
Here's the paragraph about it from my artistic statement:
When Nell was a child, many of her toys were made using an MC. To replicate this, I decided that it would be best to print out a plastic rattle comparable to those favou