With the plugin for 3D from AR-Media it is also extremely easy to create:
We like the way all the animations are held with the file and move beyond the tag.
If you have not tried out tag based Augmented Reality yet then now is your chance as AR-Media also have a plugin for SketchUp:
Head over to http://www.inglobetechnologies.com/ to download the plugins. We have been working with AR for a while now and it really does offer a lot of 'bang for the buck'.