Cloth with a relatively coarse weave. Used unpainted to diffuse a scene played behind it. When painted, a gauze is opaque when lit obliquely from the front and becomes transparent when the scene behind it is lit . Many different types of gauze are available ; Sharkstooth gauze is the most effective for transformations, because it is the most opaque. Vision gauze is used for diffusing a scene and for supporting cut cloths. Also known as a Scrim.