Mirror

Mirror command is not a copy command; the selected objects are relocated. Mirror plane is defined by point on plane and the direction of plane normal. The point can be parametric in all cases but the direction can be parametric when the Prompt method is used instead of predefined directions X, Y or Z.

Using X-, Y- or Z-axis

The mirror plane passes through the given point perpendicular to the preselected axis X, Y or Z.

Prompt

Using Prompt option for mirror command you can define the direction of mirror plane. The direction can be parametric.