Create Zone Mesh
Use the Zones tool to define mesh refinement settings by shape. These controls provide the capability to get mesh refinement on surfaces enclosed in defined boxes, spheres, and cylinders.
Create a Sphere Mesh Zone
- After editing the sphere with an arrow manipulator, left-click to re-invoke the microdialog.
- Show/hide the sphere's dimensions by clicking  in the microdialog. in the microdialog.
- While placing or editing the sphere, use snap points to snap to predefined points on your model, such as surface boundary fixed points or mid points of surfaces.
Create a Box Mesh Zone
Create a Cylinder Mesh Zone
- After editing the cylinder with an arrow manipulator, left-click to re-invoke the microdialog.
- Show/hide the cylinder's dimensions by clicking  in the microdialog. in the microdialog.
- While placing or editing the cylinder, use snap points to snap to predefined points on your model, such as surface end points, mid-points, or surf center points.

 in the
 in the  in the
 in the 
 then manipulate the edges of the box to create
                        an arbitrary shape.
 then manipulate the edges of the box to create
                        an arbitrary shape. to align the box to the global axis or fit and
                        align the box to selection.
 to align the box to the global axis or fit and
                        align the box to selection. to position the box such that the center of the
                        box and the selected surfaces match.
 to position the box such that the center of the
                        box and the selected surfaces match. to confirm your selection and remain in the
                            tool.
 to confirm your selection and remain in the
                            tool. to confirm your selection and exit the
                        tool.
 to confirm your selection and exit the
                        tool.