This command generates a new object of the selected type parallel to the selected object. It can be defined whether the new object shall be generated to the left or to the right or to both sides of the selected object.
Furthermore, the distance of the new object from the geometrical axis of the selected object has to be specified. The meaning of „left“ and „right“ refers to the view direction looking from first to last point.
When executing the action/command Parallel Object at an open polygon and selecting a closed polygon as object type a closed polygon is generated around the line object provided both options „Left ...“ and „Right from Active Object“ are selected.