Download this file.
http://rapidshare.de/files/13718625/...rsion.rar.html
Pack3d, 53k, named: 2Pack3D.jar and work insert with it.
The last is good for clone but have some mistake...
If you have exported obj with a program 3d you conserve all obj original and in particular .mtl
Enjoy.
BEST REGARDS
UBOAT234