I've updated the patch for the new simple subdivision that was added = today. The files are at: http://www.warwick.ac.uk/student/R.J.Berry/subsurf2.diff http://www.warwick.ac.uk/student/R.J.Berry/subsurf2.c I added a Doxygen comment for the new simple subdivision function and = changed some existing comments to make them more general. r i c k