Buttweld toolbar: Miters 
Command line: MPIP
Places a mitered pipe component in the X-Y plane. The pipe is placed on a 2D polyline
created with Polyline 
. A miter is placed on the pipe at each vertex of the polyline. For more information,
see PLINE in the CAD platform help.
This command can also be used to create pipe with bends. For more information, see CHAMFER in the CAD platform help.
Mitered pipe cannot be placed on a 3D polyline created with 3D Polyline 
. For more information, see 3DPOLY in the CAD platform help.