Profile
Class
class Thing class GeometricItem relation material range Material, cardinality [0, 1] class Curve property length range double (64 bit), cardinality [0, 1]
class Thing class GeometricItem relation material range Material, cardinality [0, 1] class Face
class Profile (parents Curve, Face) relation innerPolygons range Curve, cardinality [0, Inf> relation outerPolygon range Curve, cardinality [1, 1]