Stabilizing the Model in One Direction To stabilize the model in the z-direction: In the Simulation study tree, right-click Fixtures and select Advanced Fixtures. In the PropertyManager: Under Advanced (Use Reference Geometry), select Use Reference Geometry. Click inside the Faces, Edges, Vertices for Fixture box, then select the vertical edge shown in the figure. Click inside the Face, Edge, Plane, Axis for Direction box, then select the horizontal edge shown in the figure. In the Translations box, make sure that a 0 appears in the Along Edge box. Click . Parent topicSimulation of Orthodontic Archwire with Nitinol Material Model Previous topic Restraining a Vertex Next topic Applying Prescribed Displacements