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Matte edge adjustment.

Tighten or expand a matte edge to refine a cutout or build a merging-shapes treatment.

Three fixed outlines acquire tighter edges. Simple Choker erodes their alpha coverage while path geometry, stroke width and transforms remain unchanged. The choke control stays editable.

Try it in your agent.

Use this prompt as a starting point. Review the result, then ask for the details you want to change.

A prompt to start from

Use Strata. Design an eight-second matte-edge study on Mirage Bone. Show three concentric Sea outlines on the right and a clear Exposure headline on the left. Keep path points, stroke widths, transforms and shape sizes fixed. Animate only the actual Simple Choker effect from zero to six pixels, visibly tightening the coverage of all three rings. Demonstrate matte erosion, not geometric resizing.

A few useful details.

How do I try this with my agent?

Copy the prompt into your supported local agent with Strata installed. Review the preview, then ask for the changes you want. The composition stays editable as you refine it.

Where does the video render?

Strata previews and renders locally on an Apple Silicon Mac. The local engine is free; your agent’s subscription or usage costs are separate.

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Free local rendering on Apple Silicon Mac. Your agent’s costs are separate.