The IFCExtrusionCalculatorOptions type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | CustomAxis | The custom axis to try (if extrusionAxes includes an option for a custom direction). |
| ExtrusionAxes | The extrusion axes to try when doing the calculation. |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| Scale | The scaling factor for length measurements from the default Revit units to the export units. |