Mirroring Geometry

You can create a mirror copy of geometry using the base of the Robot as the mirroring plane. You can also create up to three perpendicular mirror planes, and work on one version and see changes reflected in symmetric elements.

Using mirror planes is a good and efficient way to work on symmetric shapes.

This task shows you how to:


Before you begin: Create a feature containing at least a face.

Mirror Cutouts

You can mirror cutouts.

Before you begin: A cutout has been created.
  1. Select the faces you want to mirror.
  2. In the context toolbar, click Mirror .
  3. Drag one of the arrows to position the new faces according to the mirroring plane that appears.


    If you modify the input geometry, the modification is automatically applied to the mirrored geometry.

Mirror a Body

You can mirror a complete body.

  1. Select the face you want to mirror.
  2. In the context toolbar, click Global Mode and then click Mirror of Body across Selected Face .
    The whole body is mirrored across the selected face. Both bodies are connected by the selected face and a mirror plane is created.

Create Mirror Planes

You can create up to three perpendicular mirror planes.

  1. Do one of the following:
    • To create a mirror plane in the same plane as a face, select a face, and in the context toolbar, click Select and then click Mirror .
    • To create a mirror plane between two faces, select two faces, and in the context toolbar, click Select and then click Mirror .
    • To create a mirror plane in the same plane as the base of the Robot, right-click the Robot and then select Create Mirror Plane.
  2. Click anywhere in the background to validate and create the mirror plane.
  3. Repeat the operation to create other planes.
    Note: You can click the cross to delete the mirror plane.