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Unreal TwistJoints Hierarchy changes twist joints from inline parenting to Unreal's parallel hierarchy.
Unreal Twist Joints Hierarchy
Unreal TwistJoints Hierarchy changes twist-joint parenting for Unreal.
By default, twist joints are parented inline in the joint hierarchy.
Unreal uses parallel-parented twist joints. The Unreal IK solver requires this parallel hierarchy to properly solve twist-joint rotations.
