Pset_RadiiKerbStone Properties describing the keb stone radii. IfcKerb IfcKerb CurveShape Shape according to CurveShapeEnum INTERNAL EXTERNAL INTERNAL EXTERNAL Radius The radius of the object. The size information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the size properties, provided in the attached property set, the geometric parameters take precedence.