SolidBySurface
Class
class Thing class GeometricItem relation material range Material, cardinality [0, 1] class Solid class SolidBySurface relation surface range Surface, cardinality [1, Inf>
class Thing class GeometricItem relation material range Material, cardinality [0, 1] class Solid class SolidBySurface relation surface range Surface, cardinality [1, Inf>