It generates an animated curve based on keyed controls.

 

The idea came from two places:​

• Laura Lico's "Space-Switching" course. There's a section that goes over creating an embedded Aim Space String without altering the hierarchy, which helps to non-destructively work with referenced rigs.

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• Kiel Figgins speaking about his approach to animate the giant snake in King Arthur.

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Based on those workflows, this tool lets you shape controls via a curve using Maya's "Soft Selection" while selecting its vertices.

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