Interface > Working with Data Exchange Formats > STEP > Exporting Parts and Assemblies to STEP > To Export a Part or Assembly to STEP
  
To Export a Part or Assembly to STEP
1. In a part or assembly, click File > Save As > Save a Copy. The Save a Copy dialog box opens.
2. Select STEP (*.stp) in the Type box.
3. Accept the default name in the File name box or type a new model name for the export.
4. Click Options to access the STEP Export Profile Settings profile editor.
5. Click Load Profile in the STEP Export Profile Settings profile editor and select a stored export profile for STEP from the profiles directory or modify the values of the export options in STEP Export Profile Settings to suit your requirements.
6. Click OK in STEP Export Profile Settings profile editor.
7. Click OK in the Save a Copy dialog box to export the model or select the Customize Export check box before you click OK to set select layers and a coordinate system for the model.
If you selected the Customize Export check box, The Export STEP dialog box opens.
8. Click Customize layers in the Export STEP dialog box and select layers for export in the Choose Layers dialog box.
9. Select a coordinate system for the exported model or accept the default selection.
10. Click Export in the Export STEP dialog box. The part or the assembly model is exported to the STEP format using the settings of the default export profile and the layers and coordinate system selected in the Export STEP dialog box.