To Extract Surface Data

Select a surface. On the Surface tab, Surface Tools panel, click Extract Objects Find.
If more than one surface is available in the drawing, in the Select a Surface dialog box, select the surface from which to extract components.
In the Extract Objects from Surface dialog box, under Property, deselect the components that you do not want to extract (all visible surface components are selected by default).
Under Value, do one of the following:
- Choose Select All to select all the surface components for extraction.
- Choose Select From Drawing, click , and select the required surface components.
Click OK.
Every selected surface component is extracted from the surface object.