Assign Shape Keys is a free Blender add‑on that lets you assign one or more Bezier curves as shape keys to another curve. It was bundled with Blender 4.1 and is now offered separately with limited support for Blender 4.2 LTS and newer.
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About Assign Shape Keys
Assign Shape Keys is a compact Blender add‑on that enables users to assign one or more Bezier curves as shape keys to a target curve. The tool appears in the View 3D Sidebar under the Edit tab after installation and activation. It was originally created by Shrinivas Kulkarni and shipped with Blender 4.1; it is now distributed independently with limited support. Compatibility is listed for Blender 4.2 LTS and newer, and the add‑on requires no special permissions. Released under the GNU GPL v2.0 or later, the package is under ten kilobytes in size. Installation can be performed by dragging the file into Blender or using the Install from Disk option, after which the add‑on can be enabled in the preferences.
Features
- Assigns one or more Bezier curves as shape keys to another curve
- Accessed from the View 3D Sidebar, under the Edit tab
- Compatible with Blender 4.2 LTS and newer
- Released under the GNU General Public License v2.0 or later
- Requires no special permissions
- Previously part of Blender 4.1’s bundled add-ons
Best for
Blender users who need to assign Bezier curves as shape keys to another curve.
Frequently asked questions
Does Assign Shape Keys work with Blender 4.2?
Yes. The add‑on specifies compatibility with Blender 4.2 LTS and newer, so it works with the current LTS release and later versions.
Where do I find Assign Shape Keys in Blender?
After enabling the add‑on, it is located in the View 3D Sidebar under the Edit tab.
How do I install Assign Shape Keys?
Install by dragging the add‑on file into Blender or by using the Install from Disk button in the preferences, then enable it.
Is Assign Shape Keys free to use?
The add‑on is listed as free and is released under the GNU GPL v2.0 or later, allowing free use, modification, and redistribution.
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