I am not surprise that dont works for you, ookami .Same for me After installing the last patch from Corel 4.1(the second one ,for the first one too much people say that we better not use it) i never can export my terrain or use the hidden trick with mesh in obp format(edit and control plus d),Each time i got error message and Bryce 4.1 crash.After I have installed again from the original cd of Bryce 4 from Metacreation with the patch from Meta and everything working Why? i dont know but i am sur this function was not working after the last corel ptch