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 # set\_default

 Last update: 20.02.2026 

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

#### *static* RefineTetMeshParams.set\_default(nisr=None, niss=None, nist=None, tolerance=None)

Set the default values of the `RefineTetMeshParams` object.

- **Parameters:**
    
    **nisr: int, optional**: Interpolation elements in the local r-direction.
    
    **niss: int, optional**: Interpolation elements in the local s-direction.
    
    **nist: int, optional**: Interpolation elements in the local t-direction.
    
    **tolerance: float, optional**: Tolerance for boundary refinement.