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Developer documentation is available on the Blender Wiki.
参考
绑定
Automatic rigging from building-block components.
Properties ‣ Armature, Bone, 3D Viewport ‣ Tools panel, 3D Viewport ‣ Add menu ‣ Armature
rigify文件夹
Nathan Vegdahl, Lucio Rossi, Ivan Cappiello, Alexander Gavrilov
GPL
该插件为Blender自带插件。