the scene as it is right now works just fine (mirroring and merging that is). only problem is - the verts in the middle are not snapped to your ZY plane. so it leaves a gap in the middle. if you move them and snap them they will do what you want - hope thats what you meant ??? ) you do seem to have a whole lot of mess though from converting back and forth from poly to subd and back. hope that helps oh and plus what ash says