Vertex Normals Stitcher

This script averages vertex normals at the borders (Open Edges).

It allows you to smooth a surfaces after separating vertexs / edges / faces. (example: after detaching faces or splitting edges).
It still keeping a hard Edges if the object have multiple Smoothing Group ID

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Select Faces By 2 Edges

Select a Loop Faces between two selected Edges.

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Select Faces By 2 Edges

Copy \ Paste Biped animation

Quick copy and paste Biped animation to another biped from one instance of max and paste them into another.

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Updated Scripts