Mirror Component creates opposite-hand, but otherwise identical, versions of parts or subassembies. Specify which components are mirrored and which are purely copied (i.e. fasteners, which should not be mirrored). The geometry of a mirrored component changes to create a truly mirrored version, known as an \"opposite-hand\" version. Mirror components about an assembly plane. Create mirrored versions of parts in an assembly. Create opposite-hand versions of parts.