2013

plane perpendicular to the XY plane of the user coordinate system (UCS)
containing the mirror line.
Erase source objects? [Yes/No] <N>: Enteryorn, or press Enter
Yes Places the mirrored image into the drawing and erases the original objects.
No Places the mirrored image into the drawing and retains the original objects.
See also:
Mirror Objects
MIRROR3D
Creates a mirrored copy of selected objects across a mirroring plane.
Access Methods
Button
Toolbar: Modeling tool set  Copy tool group  3D Mirror
Menu: Modify  3D Operations  3D Mirror
Summary
It is recommended that you use the gizmos available through the
3DMOVE
(page 36), 3DROTATE (page 47), and 3DSCALE (page 50) commands to
manipulate 3D objects. For more information about using gizmos, see Use
Gizmos to Modify Objects.
For example:
652 | Chapter 2 Commands