Define Edge Mesh Size
Use the Edge tool to define local mesh settings on selected edges.
- 
                Select the surfaces on which to apply the mesh
                    control in the following ways:
                - While in the Mesh ribbon, select edge lines, then right-click and select from the context menu.
- From the Mesh ribbon, click the
                                Edge tool. 
 Figure 1.Select edge lines. 
 
- In the dialog, enter an average element size.
- 
                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