To open the Mirror PropertyManager:
In an open sketch, click Mirror Entities
				 (Sketch toolbar) or .
 (Sketch toolbar) or .
Options
		
		
		
		
		
		
		
		
|  | Entities to mirror | Select some or all entities to mirror. | 
|  | Copy | Select Copy to include both the original and mirrored entities. Clear Copy to include only the mirrored entities. | 
|  | Mirror about | Select any line, the linear edge on a model, a reference
								plane, planar model faces, or the linear edge on a drawing about
								which to mirror. |