Stanford took a bunch of lasers and figured out how to make a mesh bunny. It\'s been used a lot as a test subject for 3D printers. You can find the original source material at http://graphics.stanford.edu/data/3Dscanrep/
Make sure to attribute this work to the original source: Stanford! Here's what they say about sharing:
Please be sure to acknowledge the source of the data and models you take from this repository. In each of the listings below, we have cited the source of the range data and reconstructed models. You are welcome to use the data and models for research purposes. You are also welcome to mirror or redistribute them for free. Finally, you may publish images made using these models, or the images on this web site, in a scholarly article or book - as long as credit is given to the Stanford Computer Graphics Laboratory. However, such models or images are not to be used for commercial purposes, nor should they appear in a product for sale (with the exception of scholarly journals or books), without our permission.