I wrote a document outlining my Blender->X3D exporter wishlist, and how to submit patches to Blender: https://docs.google.com/document/d/1ad5XsU43gQGxqC7ehSBr21mdX2dQjKZCSXUQtvRwTHw/edit?usp=sharing Please feel free to distribute it to whoever is interested. Comments welcome :) Regards, Michalis