New Guide a Specified Distance From an Object: Alignment Tab

Select the desired object.

Select New Guide.

Select New Guide From Other.

Select the Direction checkbox for the Guide.

Enter the Distance from the opening to place the Guide.

Click OK.

The Positioning Toggle determines whether the Guide is placed on the top or bottom layer of the opening.

Several Guides can be placed at the same time with this screen.

Negative numbers can be entered to place a Guide within the opening.