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 # set\_default

 Last update: 02.04.2026 

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

#### *static* IGAUnstructuredSplineSurf.set\_default(id=None, degree=None, spline\_refinement\_level=None, control\_points=None, spline\_points=None, bad\_spline\_points\_indices=None, deviation\_array=None, invalid\_jacobian\_elements\_count=None, average\_mesh\_size=None, elements\_count=None, shell\_thickness=None)

Set the default values of the `IGAUnstructuredSplineSurf` object.

**Parameters:**

**id: int, optional**

Id of the unstructured spline surface.

**degree: int, optional**

Degree of the spline surface.

**spline\_refinement\_level: int, optional**

Refinement level for rendering of spline points.

**control\_points: Iterable\[float\], optional**

Coordinates of the control points of the spline.

**spline\_points: Iterable\[float\], optional**

Coordinates of the spline points.

**bad\_spline\_points\_indices: Iterable\[int\], optional**

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

**deviation\_array: Iterable\[float\], optional**

Deviation value from the spline point to the model geometry.

**invalid\_jacobian\_elements\_count: int, optional**

Count of elements with negative jacobian.

**average\_mesh\_size: float, optional**

Reference length to compute deviation.

**elements\_count: int, optional**

Count of shell elements.

**shell\_thickness: float, optional**

Thickness of shell.