Paint Effects > Brush Animation > Bake Spring Animation

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Paint Effects > Brush Animation > Bake Spring Animation

This lets you bake the expression for each frame in the specified range so the spring behavior will render properly.

Paint Effects > Brush Animation > Bake Spring Animation >

These are the options in the Bake Brush Spring Animations window.

Start Frame: Specify the first frame to be baked in the animation.
End Frame: Specify the last frame to be baked in the animation.