Share Email Facebook Twitter LinkedIn To Convert a Spline to a Polyline Click Modify > Object > Spline. Select the spline to convert. Enter p to convert to Polyline. Specify a precision value or press Enter to end the command. Related Concepts About Modifying Splines Related Tasks To Join Polylines, Splines, Lines, and Arcs Into a Single PolylineTo Reverse Lines, Polylines, Splines, or Helixes Related Reference Commands for Editing Specific Objects