To a line as a reference line, create a copy of an object of reflection.
1. Click on the menu bar, "Modify -> Mirror."
2. Click the Edit toolbar "mirror order" button .
3. Mirror input on the command line, and press Enter.
After the execution command, the command line displays the following information:
Command: _Mirror
Select the image objects
Select objects:
Select objects:
Specify base point:
Erase source objects? [Yes (Y) / No (N)] <N>: n