G Surface Surface SweptSurface SweptSurface Surface->SweptSurface SurfaceReplica SurfaceReplica Surface->SurfaceReplica OrientedSurface OrientedSurface Surface->OrientedSurface OffsetSurface OffsetSurface Surface->OffsetSurface ElementarySurface ElementarySurface Surface->ElementarySurface BoundedSurface BoundedSurface Surface->BoundedSurface SurfaceOfRevolution SurfaceOfRevolution SweptSurface->SurfaceOfRevolution SurfaceOfLinearExtrusion SurfaceOfLinearExtrusion SweptSurface->SurfaceOfLinearExtrusion ToroidalSurface ToroidalSurface ElementarySurface->ToroidalSurface SphericalSurface SphericalSurface ElementarySurface->SphericalSurface Plane Plane ElementarySurface->Plane CylindricalSurface CylindricalSurface ElementarySurface->CylindricalSurface ConicalSurface ConicalSurface ElementarySurface->ConicalSurface RectangularTrimmedSurface RectangularTrimmedSurface BoundedSurface->RectangularTrimmedSurface RectangularCompositeSurface RectangularCompositeSurface BoundedSurface->RectangularCompositeSurface CurveBoundedSurface CurveBoundedSurface BoundedSurface->CurveBoundedSurface BSplineSurface BSplineSurface BoundedSurface->BSplineSurface DegenerateToroidalSurface DegenerateToroidalSurface ToroidalSurface->DegenerateToroidalSurface UniformSurface UniformSurface BSplineSurface->UniformSurface RationalBSplineSurface RationalBSplineSurface BSplineSurface->RationalBSplineSurface QuasiUniformSurface QuasiUniformSurface BSplineSurface->QuasiUniformSurface BezierSurface BezierSurface BSplineSurface->BezierSurface BSplineSurfaceWithKnots BSplineSurfaceWithKnots BSplineSurface->BSplineSurfaceWithKnots