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HOW IT WORKS

How a Sharkstooth Scrim Works: The Front-Lit / Back-Lit Reveal

06/18/2026 · Customized Stage Scrims Team

The sharkstooth scrim is stage magic you can buy off a bolt: hang it, light it one way and it’s a solid wall, light it another way and it disappears. It’s behind ghost effects, dream sequences, and the slow reveal of a live scene from behind a painted drop. But the effect only lands if you understand what the fabric is doing and how to light it.

Here’s the plain-language explanation of how a sharkstooth works, and the lighting recipe that makes the reveal clean instead of muddy.

The weave is the whole trick

A sharkstooth scrim is woven in an open, tooth-shaped leno pattern with regular gaps between the threads. When light hits the fabric from the front, the threads catch it and your eye reads a continuous, opaque surface — you don’t perceive the holes. When the front light goes out and a scene behind the scrim is lit instead, your eye looks straight through those same gaps, and the fabric turns transparent. Nothing moves; only the light changes.

Front-lit = solid, back-lit = see-through

The rule to remember: light the scrim (or what’s painted on it) from the front and downstage, keep everything behind it dark, and it reads solid. Kill that front light, bring up light on the scene or performers upstage of the scrim, and it becomes a window. Cross-fade between the two and you get the signature dissolve — a painted drop melting into a live tableau, or a figure materializing out of nowhere.

Getting a clean reveal

The enemy is spill. Any front light leaking onto the scrim during the reveal keeps it looking milky and half-there. Steep front angles, tight shutter cuts, and keeping upstage light off the scrim itself all sharpen the effect. Black backing and a dark deep stage help the scrim vanish completely; a printed or painted sharkstooth needs its art evenly front-lit to hold before the reveal.

Print, paint, or plain

A plain black sharkstooth is the standard utility reveal fabric and disappears most completely. But you can dye-sublimation print full-color artwork into the weave or hand-paint a scene on it, so the reveal starts from an image — a portal, a window, a show drop — that then turns transparent on cue. White and grey sharkstooth suit projection and bleed effects; black suits pure disappearance.

Lighting stateWhat the audience seesUse it for
Front-lit, dark behindSolid wall / painted imageEstablishing a scene or drop
Back-lit, no front lightTransparent — see through itRevealing the scene behind
Cross-fade front to backA slow dissolveDreams, ghosts, transformations
Printed + front-litFull-color drop that then vanishesPortals and show reveals
Key takeawayFront light plus darkness behind makes a sharkstooth solid; darkness in front plus light behind makes it transparent. Control the spill and the cross-fade, and the reveal is clean.

Planning a reveal for your show? Tell us your stage size, whether you want plain, printed, or hand-painted, and your color, and we’ll mock up a sharkstooth scrim built for the effect — with a quote in one business day.

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