How can I draw a contour line and edge line for deformation of a STL file

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I am wangdering if blender can achieve the functions as the impage shows?

Imported a STL file in the blender. 1.draw a contour line which can limit deformation range,like the blue line. 2.dras a edge line inside the contour line which can contronl the direction and size of deformation,like the red line.

Woud someone please give me some suggestions or tips.Thx a lot.

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Take a look at this, it would be one way of getting this effect…