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The ExtractMeshEdges command separates edges from the parent mesh determined by an angle between mesh face normals.
The command may help if you have a mesh that came from a polysurface but no longer have the polysurface. Using the command with the Unwelded option creates polyline approximations of where the edges of the polysurface were.
Extract edges by
Unwelded: Extracts edges with coincident vertices.
Break angle: Extracts edges based on the angle between the face normals of adjacent faces.
Greater than: Specifies the minimum break angle.
Less than: Specifies a maximum break angle
Increment: Sets the amount the value changed by each arrow click.
Naked: Extracts the edges that have only one face associated.
Join results: Creates polylines from the extracted line segments.
