no problem - I remember having a mel script on a button (loooong time ago) that would perform a polygon smooth and then next to it a undo button - a quick preview of smooth w/o having to deal with the stupid smooth poly cage when it was new and still messy. How do I undo the Convert > Smooht Mesh Preview to Polygons in Post Render MEL script? I'm tried a lot of stuff but for some reason it didn't work.... Thanks in advance by the way, yes I'm a piece of wood in MEL scipts!