Commands
Soft Transform
Soft Transform
The SoftTransform command changes moving behavior of mesh and SubD vertices based on different radial falloff shapes.

Command-line options
Enable (Yes/No)
Turns on/off soft transform for SubD and mesh vertices.
Radius
Defines the falloff range.
Shape (Smooth /Linear/ Round/ Sharp)
Changes the radial falloff style.
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Smoot Linear


Round Sharp
For more information, please refer to the Rhino documentation.