Making pipes from edges.
Vers - Vertices of piped object.
Edgs - Edges of piped object.
diameter - Diameter of pipe.
nsides - Number of sides of pipe.
offset - Offset on length to awoid self intersection.
extrude - Scale the pipe on local X direction.
close - Close pipes between each other to make complete topology of united mesh.
Vers - Vertices of output.
Pols - Polygons of output.