download for the in game model.
place the pk3 file in your ID1 folder and you need the darkplaces engine that can be found here [link]
made using blender + zbrush3.5r3
this image is rendered using the marmoset toolbag (could not get a good screenshot while it tried to kill me in game
(edit) ops had the wrong file selected so it would not go for the pk3 file on the download button