To Export Surface Data to a LandXML File

In Toolspace, on the Prospector tab, expand the Surfaces collection, right-click the surface, and click Export LandXML.
The Export To LandXML dialog box is displayed with the current surface selected for export.
To change the export selection set (for example, to add another surface), select or clear the check boxes in the data tree.
Click OK to export the surface to a LandXML format file.
In the Export LandXML dialog box, enter the name for the LandXML file.
The file is saved with the .xml extension.