The current shape is only bent in a single plane. A multi-planar definition is not required. Please redefine the shape on the top plane only.

public static FailureDefinitionId PlanarMultiPlanarShape { get; }

Public Shared ReadOnly Property PlanarMultiPlanarShape As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ PlanarMultiPlanarShape {
	FailureDefinitionId^ get ();
}