Motionbuilder Tutorial - 18: Spline Ik Apr 2026

Under the tab, enter a value for the Number of control nodes . MotionBuilder will automatically create evenly spaced nodes along the skeleton chain.

: While MotionBuilder generates a default curve, you can also use a custom 3D Curve from the Elements folder of the Asset Browser for more specific pathing. Motionbuilder Tutorial - 18: Spline IK

Enable and click Snap to activate the constraint and bind the bones to the curve. Advanced Control Features Under the tab, enter a value for the Number of control nodes

Drag the from the Asset Browser’s Constraints folder into the viewport. Define the Chain : Under the tab

: You can adjust the Control node twist axis , Reverse twist , and Twist interpolation settings to manage how the skeleton rotates along its length as the curve bends.