# MIRROR3D Command
[GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [M](Help%20System/GSTARCAD/2022/Commands/M/(M).md)
## Function Description:
This command is used to create mirrored copies of selected objects.
## Command Access:
> **Icon:**
> 
> **Menu:** Modify \> 3D Operations \> 3D Mirror
> **Ribbon:** 3D \> 3D Operations \> 3D Mirror
> **Toolbar:** /
> **Command:** MIRROR3D
> **Alias:** /
## Command Prompts:
Select object:
Specify first point of mirror plane (3 points) or
\[Object/Last/Zaxis/View/XY/YZ/ZX/3points\] \<3points\>:
## **Object**
Specifies a mirroring plane by selecting a planar object. The planar
object can be a circle, an arc, or a 2D polyline segment.
## **Last**
Mirrors the selected objects by the previously defined mirroring plane.
## **Zaxis**
Uses one point on the plane and another point normal to the plane to define
the mirroring plane.
## **View**
Aligns the mirroring plane with the viewing plane of the current viewport through a specified point.
## **XY/YZ/ZX**
Selects a specified point and defines a plane contains the selected point and
is parallel with a standard plane (XY, YZ or ZX). The mirroring plane is aligned with the defined plane.
## **3points**
Specifies a mirroring plane by 3 points. If selecting this option by
specifying a point, the Specify first point on mirror plane prompt is not
displayed.