Convert curve to Reference Curve

There are two ways to convert curves to reference curves.

1. Left or right click on the curve
2. commands pop up will be opened
3. Left-click on “Convert to Reference” command icon

1. Press and hold the right mouse button curve
2. Command icons will be opened around the mouse cursor.
3. Move mouse cursor on the “Convert to Reference” command icon.
4. Release the right mouse button on the “Convert to Reference” command icon.