Use the Advanced > Draw > More > Draw Reference Point command to draw individual reference points in a plan view for facilitating the placement of other objects.
Set the active window to a plan view.
Click the Advanced > Draw > More > Draw Reference Point command to display the Properties of Object form. Use the form to specify any X or Y offset.
Note: Right clicking in the background (not on an object) of a display window displays a menu of selected commands, including the Create Reference Lines on Plan command. This method can be used instead of Step 2.
Click in the active window to locate the reference point and then use the reference point to place other objects in the model.
Note: Right clicking on the reference point will display a drop-down menu of options, including the Edit Reference Lines command. Click that command to display the Edit Reference Line form. Use that form to modify the location of the vertical reference line defined by the reference point.