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 # transform\_zonelets

 Last update: 29.04.2026 

<a id="ansys.meshing.prime.Transform.transform_zonelets"></a>

#### Transform.transform\_zonelets(part\_id, zonelets, params)

Transforms given zonelets using provided transform parameters.

**Parameters:**

**part\_id**

Part id of zonelets to be transformed.

**zonelets**

Ids of zonelets.

**params**

Transform parameters.

**Returns:**

**[`TransformResults`](ansys.meshing.prime.TransformResults.md#ansys.meshing.prime.TransformResults)**

Returns the transform results.

**Return type:**

[`TransformResults`](ansys.meshing.prime.TransformResults.md#ansys.meshing.prime.TransformResults)

### Examples

```pycon
>>> params = prime.TransformParams(model=model)
>>> # scale by a factor of 2 using a 4x4 transformation matrix
>>> params.transformation_matrix = [
>>>    2, 0, 0, 0,
>>>    0, 2, 0, 0,
>>>    0, 0, 2, 0,
>>>    0, 0, 0, 1,
>>> ]
>>> part = model.get_part_by_name("part_name")
>>> zonelets = part.get_face_zonelets()
>>> result = prime.SurfaceUtilities(model).transform_zonelets(part.id, zonelets, params)

```