Define Angle Based Refinement Criteria
Use the Angle tool to define mesh refinement settings based on angles between surfaces.
- 
                Select the surfaces on which to apply the mesh
                    control in the following ways:
                - While in the Mesh ribbon, select two or more surfaces, then right-click and select from the context menu.
- From the Mesh ribbon, click the
                                Angle tool. 
 Figure 1.Select surfaces. 
 
- In the dialog, define angle refinement options.
- 
                From the guide bar, execute the command in the following
                    ways:
                - Click  to confirm your selection and remain in the
                            tool. to confirm your selection and remain in the
                            tool.This allows you to continue creating instances and helps you visualize and edit instances with the legend. 
- Click  to confirm your selection and exit the
                        tool. to confirm your selection and exit the
                        tool.
 
- Click