by Martin Brockelmann·Workflow
Images © Martin Brockelmann. Used for product review; image policy.
Earns its place as a focused fix for a common rigging oversight: copying weight paint across a symmetrical model when the x-Mirror option wasn't used. Its span of Blender support, from 2.8 to 3.5, keeps it usable across older and newer projects.
Mirror Selected Bones mirrors the weight paint data of bones and their corresponding vertex groups to the other side. It helps when you have a symmetrical model and forgot to paint your weights with the x-Mirror option, letting you project your working status to the pose bone on the other half of the object.
To use it, your character has to be skinned to the armature first. When you then make changes to the weight paint of your model, you can copy that to the bones on the other side. You'll find the installed add-on in weight paint mode of your object, and it works with one or more bones.
Distributed under the GPL license, the add-on lists compatibility across a wide span of Blender releases, from 2.8 through 3.5. Documentation is included, and a demo video is available.
Mirror Selected Bones is best for riggers working on symmetrical models who need to copy weight paint across bones when x-Mirror wasn't used during painting.
Mirror Selected Bones is completely free to download and use.
Mirror Selected Bones lists compatibility with a broad range of Blender releases, including 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0, along with the 2.9x series and 2.8x versions down to 2.8. That span covers both older and newer Blender releases, so the add-on stays usable across a wide range of projects. For the exact behaviour on your specific build and for any updates, check the developer's page before installing.
Mirror Selected Bones appears in weight paint mode of your object once the add-on is installed. Before using it, your character has to be skinned to the armature first. From there, when you make changes to the weight paint of your model, you can copy that data to the bones on the other side. The add-on works with one or more bones selected, so you can mirror a single bone or several at once.
Mirror Selected Bones mirrors the weight paint data of bones and their corresponding vertex groups to the other side of the model. It's aimed at symmetrical models where the weights weren't painted with the x-Mirror option, letting you project your working status to the pose bone on the opposite half of the object. When you make changes to the weight paint of your model, you copy that data across, and the add-on works on one or more bones at a time.
Mirror Selected Bones is listed as free in this catalog and is distributed under the GPL license. Because licensing and pricing can change over time, check the developer's page for the current terms before relying on it for a project. The add-on also comes with documentation, so you can reference the intended workflow directly, and a demo video is available for a quick overview of how it operates.
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