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 # ansys.meshing.prime.IGAUnstructuredSplineSurf

 Last update: 10.09.2025 

<a id="ansys.meshing.prime.IGAUnstructuredSplineSurf.bad_spline_points_indices"></a>

#### *property* IGAUnstructuredSplineSurf.bad\_spline\_points\_indices *: [Iterable](https://docs.python.org/3.11/library/typing.html#typing.Iterable)\[[int](https://docs.python.org/3.11/library/functions.html#int)\]*

Node indices in the spline points list which has negative jacobian value.