These files are 3D models originally downloaded from the Mellanox website, prior to their acquisition by Nvidia. http://www.mellanox.com/page/3d_models Checking the Wayback Machine, I'm not sure what the license is supposed to be for these, so please don't do anything dumb nor destructive with them. :) --- The All_these_3d_models.tar.bz2 file is just a simple tar.bz archive of all the 3D models in this directory, to it's simpler for people to download them.