I found a nice demo model of a 3D scanned T-Rex model, it has great details because it was done with an Artec Spider.
I added an STL with a flat base under the feet and the color model.
The original is here: http://www.laserdesign.com/sample-files/?elqaid=444&elqat=2&elqTrackId=7691af672a93495eab11b15fecbdef5e
