Sharkstooth Scrim is an open weave net, meaning that there is more open space than actual fabric. Sharkstooth Scrim is primarily used to achieve the “bleed through” effect; magically revealing items upstage of the scrim. When lit properly, Sharkstooth Scrim can appear either opaque or transparent. These effects are then used to perform conceals and reveals. Sharkstooth Scrim can also be used to create the illusion of distance. It is considered the best option as an all purpose scrim.
Bobbinettes have a more open weave than Sharkstooth Scrim. Often used in combination with Sharkstooth scrims in front of rear projection screens to reduce glare and increase contrast. Various weaves give designers a range of light transmission values to create depth and add a soft, hazy look to images.
Leno or leno-filled scrim can be described as “sharkstooth scrim with the holes filled in.” Leno has a lovely soft, textured surface that reflects light beautifully, thus making it ideal for a cyclorama or a bounce drop. Like the sharkstooth scrim, it has one surface that is more textured and one that is smoother; in general, the textured side should face the audience to take advantage of the extra surface dimension. Leno-filled scrims are also ideal for projecting abstract shapes and patterns, due to their highly reflective surface. The texture, however, will mitigate high resolutions, and so leno is not the best surface for video projection.