[{OCO}Biohazard]

You need the plugin mod I think and the only one I know of right now is for 5.0 also it is only export and no import. If you need both then lightwave 3d would be a good choice. But it might be better if you did it in photoshop.

look here for a good start also:

[url:0e16d]http://www.alliedassault.com/pafiledb/pafiledb.php?action=file&id=2490[/url:0e16d]

Also you might have wanted to post this in the maps, mods, and skins forum instead.