Summary This was submitted anonymously and I have no direct experience with any of these files, so caveat emptor. Detail Subject: .mtl format Message: Excerpt from FILE FORMATS, Version 4.2 October 1995 Documentation created by: Diane Ramey, Linda Rose, and Lisa Tyerman Copyright 1995 Alias|Wavefront, Inc. All rights reserved 5. Material Library File (.mtl) Material library files contain one or mo