To Replace a Ring From a Material Boundary With Another
Use this procedure to replace a ring from a material boundary with a different ring.
Draw the polyline to replace one of the existing material boundary rings.
Select a 2D elevation.
Click 2D Section/Elevation tabMaterial Boundary panelEdit In Place.
The material boundary is highlighted and edit-in-place grips are displayed.
Click Edit In Place tabProfile panelEdit Material Boundary.
Click Edit In Place tabProfile panelReplace Ring.
Select the ring to be replaced with another ring.
Select the closed polyline you drew in step 1.
Enter y (Yes) to erase the polyline, or n (No) to keep the polyline in the drawing.
Click Edit In Place tabEdits panelFinish to save the changes you made, or click Edit In Place tabEdits panelCancel to undo the changes to the material boundary.