I have submitted a patch for GLScene trunk to make it work with FPC 2.6: http://sourceforge.net/apps/phpbb/glscene/viewtopic.php?f=11&t=921 It is now available with the GLScene trunk on Sourceforge: http://sourceforge.net/scm/?type=svn&group_id=29749 I don't know if this work with the version in fpcprojects. Patrick