Twillis The surface fedility controls are located in the Assembly room. Goto "Scene" in your Properties Tray scroll down you will see it. I 've bee told that it should be checked prior to inserting any objects in your scene (Not sure if that's true)But have noticed a difference when rendering scenes. As for the image it can be seen at Tucks_Place.homestead.com/Files/Images/IOTM1.jpg