Buttweld toolbar: Rolled Pipe 
Command line: SPIP
Places a free-form pipe component, such as a hose or flexible connection. The pipe
is placed on a 2D polyline created with Polyline 
and edited with the Fit or Spline options of Edit Polyline 
. For more information, see PLINE and PEDIT in the CAD platform help.
Fit Example
Spline Example
Rolled pipe cannot be placed on a 3D polyline created with 3D Polyline 
. For more information, see 3DPOLY in the CAD platform help.