Very nice.
I love Sketchup. I have the full version and have been using it for a couple years now, before google bought them out. It has to be one of the quickest way to create 3d models, due to how easy the UI is to learn and use.
I just wish more people would use it so that more models would be available for use.
Here's a .pdf version of the model so you don't have to download sketchup to view it: