Sets options for mirrored and copied objects.
Select
Selects objects to mirror and copy.
From Point
Sets a starting point for the operation. This point is also called the from point.
To Point
Sets an end point for the operation. This point is also called the to point.
Parent or Related Object
Selects a parent for the copied objects. The current relationships copied from the source object display. You can modify the relationships as required for the copied objects. For more information, see Parent or Related Object Dialog Box.
Finish
Mirrors and copies the objects using the defined options.
Direction
Sets the direction of the mirror plane.
Plane by From-To Vector
Defines the mirror plane as normal to a vector between the from point and the to point. You can also press CTRL+6 to select this option.
Plan Plane
Defines the mirror plane as the XY plane. You can also press CTRL+1 to select this option.
Elevation Plane: East-West (Z Plane: X-Axis)
Defines the mirror plane as the XZ plane. You can also press CTRL+2 to select this option.
Elevation Plane: North-South (Z Plane: Y-Axis)
Defines the mirror plane as the YZ plane. You can also press CTRL+3 to select this option.
Destination Mode
Specifies the destination, which can be the to point or a point to mirror about.