From FreeCAD Documentation
- Optionally select one object.
- There are several ways to invoke the command:
- Press the Circular array button.
- Select the Modification → Array tools → Circular array option from the menu.
- The Circular array task panel opens. See Options for more information.
- If you have not yet selected an object: select one object.
- Enter the required parameters in the task panel.
- To finish the command do one of the following:
- Pick a point in the 3D view for the Center of rotation.
- Press Enter.
- Press the OK button.