Applying Symmetry Boundary Conditions You apply a symmetry restraint on the face of symmetry of the model. In the Simulation study tree, right-click Fixtures and select Advanced Fixtures. In the PropertyManager: Under Advanced (Use Reference Geometry), select Symmetry. In the graphics area, click the face shown in the figure below. The selected face appears in the Planar Faces for Fixture box. Click . Parent topicSimulation of Orthodontic Archwire with Nitinol Material Model Previous topic Assigning Material Properties to the Part Next topic Restraining a Vertex