What is the Role of IK

The movement of the child bone drives the movement of the parent bone, which is Inverse Kinematics (IK).

IK is used for straight bones to constrain the length of the figure’s legs and arms. Tick IK when adjusting the figure’s reach and leg lifts to prevent the changing of the figure’s leg and arm lengths.

Click a straight bone on the limbs > tick IK in the properties panel.

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