## On this page

  

 

 # write\_boundaries

 Last update: 16.07.2026 

<a id="compolyx.OrientedSelectionSet.write_boundaries"></a>

## OrientedSelectionSet.write\_boundaries(filename, format=None)

Write boundaries in .iges/.step format.

### Parameters

- filename: Output file.
- format: ‘iges’, ‘step’, or ‘None’ (automatic format recognition).