The first thing i made for the 30daysofcreativity is a GEB-Logo. I you have no idea what I am talking about read this and then head to your bookstore or amazon and order the book.
I didn't have the time to print it yet, i will post a photo as soon as it's done.
GEB for 3d-printer (Part 2)
how to remove the blender default-cube with style - part 3 - puff of smoke
how to remove the blender default-cube with style - part 2 - burn it
how to remove the blender default-cube ... with style (part1)