Square Peg is an After Effects plugin that adds individual corner controls, allowing each corner of a shape to be set to square, squircled, rounded, beveled, or inverted, with anchor‑point shifting and preset color saving.
Developed by .nook.

About Square Peg
Square Peg provides per‑corner styling for shapes in After Effects, supporting square, squircled, rounded, beveled, and inverted corner types. Version 1.1.1 adds the ability to shift a shape’s anchor point so width and height expand from a different location, unlocks corner roundness beyond half the shorter side, and lets users save fill and stroke colors with presets. A quick‑access manual is built into the UI. The plugin lists compatibility with After Effects 2026, 2025, 2024, and 2023 and is hosted in the aescripts library where version history, changelog, and licensing details are maintained.
Features
- Individual corner styles: square, squircled, rounded, bevelled, or inverted
- Shift a shape’s anchor point so width and height grow from a different point
- Option to unlock individual corner roundness beyond half of the shorter side length
- Save fill and stroke color with presets
- Quick access manual built into the UI
- Compatible with After Effects 2026, 2025, 2024, and 2023
Best for
After Effects users who need detailed per‑corner shape styling across recent versions of the software.
Frequently asked questions
Does Square Peg work with After Effects 2026?
Yes. Square Peg lists compatibility with After Effects 2026, as well as versions 2025, 2024, and 2023.
What corner styles can Square Peg apply?
It can apply square, squircled, rounded, beveled, and inverted styles to individual corners, with an option to exceed the default roundness limit.
What changed in Square Peg 1.1.1?
Version 1.1.1 added anchor‑point shifting, unlocked corner roundness beyond half the shorter side, the ability to save fill and stroke colors with presets, and a built‑in quick‑access manual.
Is Square Peg free?
The catalog marks Square Peg as free, but licensing terms may change, so the current status should be verified on the developer’s aescripts page.
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Explore Square Peg
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