http://kolis.dyndns.org/ed/prog/exportX/exportX.zip
Now you can export to .X out of Art of Illusion, opening up a whole new way of making models for SE5 and Starfury!

(Well, you could export to .OBJ and convert, but that's a pain...

)
Note that 3D textures are unsupported, as are materials - the former because neither I nor the author of AoI know how to do texture baking, and the latter because internal materials are simple not supported by Direct3D, AFAIK.
Yeah, so I started on this when my SweetPotato code kinda got screwed up and I decided to work on something else... do you think this is better? Maybe I should abandon SweetPotato and just work on plugins for AoI? It certainly was less work, because I had so much to build on!

(The plugin is based on the .OBJ export code from AoI, by the way

)