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Convex Hull

Create a Convex-Hull effect in After effects using adjustment layer, or some selected layers!

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  $30.00
  • Free Trial
Description
Convex Hull Preview

How It Works

Convex Hull utilizes lightning-fast computational geometry to analyze adjacent layer alpha and generate a mathematical outer shell in three automated steps.

Step 1 — Sobel Edge Detection

Thinning the Candidate Set

The plugin first analyzes the layer directly below it, using Sobel edge detection to drastically thin out unnecessary interior pixels from the calculation.

Step 2 — Graham's Scan

Convex Hull Solver

Running the highly optimized Graham's scan algorithm, it identifies the absolute outermost edge points, stretching a mathematical boundary around the perimeter.

Step 3 — Anti-Aliased Rendering

Stroke, Fill, & Compositing

The resulting polygon is drawn as a buttery-smooth, anti-aliased shape, letting you Composite the stroke Inside, Outside, or Center over the original layer.

Complete Parameter Dictionary

A straightforward, powerful set of controls right inside your Effects Control panel.

Core & Compositing
Layer Composite
Blend the Convex Hull with the original layer. Choose between "None", "Between" (draw behind), or "In Front".
Alpha Threshold
Dial in the exact alpha threshold to determine which pixels are included in the geometric scan.
Edge Type
Change the algorithmic behavior to alter how the outer boundary interacts with complex or feathered shapes.
Fill & Base Stroke
Fill & Colors
Easily pick a Fill Color and Stroke Color. Tweak the Fill Opacity to generate a solid, stylized geometric background behind your element.
Stroke Stylizing
Control the Stroke Width and Stroke Opacity to build the perfect perimeter line.
Stroke Position
Align the bounding stroke to the geometry: "Both" (Centered), "Inside Only", or "Outside Only".
Advanced Trim Paths ANIMATE
Trim Start & End
Animate the line drawing on and off the geometry exactly like a native After Effects shape layer Trim Paths!
Trim Offset
Rotate the drawn segment infinitely around the convex hull perimeter for constant motion.
Trim Inverse
Reverse the drawing direction with a single click to instantly switch the motion flow.
Stroke Stylization PRO FX
Dashed Stroke
Enable dashed lines and take full control over the Dash Length, Gap spacing, and Dash Offset for sci-fi UI and technical HUD effects.
Arrow Heads
Add geometric arrows to your lines! Control the Arrow Head Size and choose the Arrow Side (Start, End, or Both).
Cap Type
Toggle the ends of your stroke between Flat, Round, or Projecting caps for perfect line styling.

Workflow in 4 Steps

Get perfect geometric enclosures around your layers in seconds.

1

Create Target

Ensure you have a layer, text, or precomp in your timeline with an alpha channel that you want to wrap.

2

Apply Plugin

Apply Convex Hull to an adjacent layer (above the source). The plugin automatically looks at the layer directly beneath it.

3

Set Compositing

Decide whether the hull should render independently, or composite dynamically "Between" or "In Front" of your artwork.

4

Style Geometry

Dial in the Stroke Position, tweak the Width, and increase Fill Opacity to complete your animated geometric design!

Complete Tutorial

Learn how to install and master Convex Hull in minutes.

Technical Architecture

Platform Compatibility After Effects CC 2020 - 2026+
OS Support Windows 10/11 x64, macOS Apple Silicon / Intel
Render Pipeline Native C++ Multi-threaded & MFR Supported
Color Depth 8-bpc and 16-bpc Support

Discussions

Want to talk about it?

Head over to r/aescripts to chat with fellow users about this product.

Need Support?

Please open a support ticket to be connected directly with the author of this product

Version History

1.0.0 -

Jul 19, 2026

First launch.

Compatibility

After Effects

2026, 2025, 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018

EULA

END USER LICENSE AGREEMENT

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Updated: Oct 21, 2025 1:35 AM

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