Face

This class represents the abstract concept Face.

Class

class GeometricItem
   relation material
      range Material, cardinality [0, 1]
class Face

subClasses 
      class BezierSurface
      class BooleanOperation2D
      class BSplineSurface
      class Face2D
      class Face2DSet
      class Shadow
      class SurfaceBySweptCurve