This is the first thing I've made, so go easy on me.
It's a small Fridge Magnet of our Dog Max.
I made it on Google Sketch-up, so here is the Sketch-up file, if you wont to change it and the stl file.
UPDATE: Here's a version of Max with a hole recessed in his back so that you can add a magnet (I used Super Strong Rare-Earth Magnets 10mm x 1mm, which I got from dealextreme.com http://www.dealextreme.com/p/super-strong-rare-earth-re-magnets-20-pack-10mm-x-1mm-5962)
I just printed them out and stuck (supper glued) a magnet to the back. They are quick to print and make great little souvenirs for when people come to visit you and your 3d printer.