How to convert wow models into wc3 compatible?

[Foxace]

I need to convert tga and m3 files into mdl files.

 

[Lockheart]

Here. First result helps out already. It's this.
Guess this should do it then but if something still is unclear don't hesitate to ask.

 

[andreariona]

and you can always converting .tga files into .blp by using this.