Hi Micha, one note for you on triangulation.

There is an option that you can set in the moi.ini file to control whether triangulation will use that "radiate out from centroid" point style, which adds a center point to n-gons to triangulate them when possible, and then makes those kinds of "X" shaped stuff, or whether it will triangulate by only connecting points from the outside boundary of the n-gon and not add a center point.

The centroid style is the default since it can help to somewhat reduce skinny triangles.

But if you don't want the centroid style triangulation, there is a line you can edit in moi.ini to switch the modes.

Make sure to close down MoI before editing the moi.ini file, and then in notepad open moi.ini which you can find in XP here:
C:\Documents and Settings\ [your login name] \Application Data\Moi\moi.ini

Then in the [Mesh Export] section there is a setting:
CentroidTriangulation=y

If you switch that to say CentroidTriangulation=n then it will turn off that style of triangulation.

- Michael