Symmetrical Facet Edit

When the Mesh Symmetry plane is activated, a selected facet will be modified symmetrically about the plane. In the example below, the top facet is selected and will be dragged upwards. A corresponding downwards movement will be shown below.

Top facet selected for symmetrical edit

By holding down the option key (Alt keyboard key), this facet can be symmetrically modified about the plane, shown below. The selected facet is moved using the gripper handle.

Moving the facet using the gripper handle. Modification produced symmetrically either side of the plane.