Irrlicht Engine

Nice baking machine! Thanks a lot..
BUUUUUUT!
Looks like it doesn't works with some meshes.
It turns my pretty garden
http://i.piccy.info/i5/36/64/1466436/garden_500.jpg
into this
http://i.piccy.info/i5/38/64/1466438/sodomy_500.jpg
Here is example
http://www.mediafire.com/file/d6krs6hgcqmkba7 ...

Editor, dude! If you did it, everybody would like it.
E D I T O R, remember!