# Symmetry

This geometrical operation allows to perform a symmetrical copy of your mesh or some of its elements.

To apply symmetry to your mesh:

From the Modification choose Transformation and from its sub-menu select the Symmetry item. The following dialog box shall appear:

This operation has three options, you can symmetrically copy your mesh or some of its elements specifying:

- one point

- one axis (point and vector)

- one plane (point and normal)

Create a copy radio button allows to keep the initial elements or mesh.