From FreeCAD Documentation
- Optionally select one or more objects, or one or more subelements of Draft Lines or Draft Wires.
- There are several ways to invoke the command:
- Press the Rotate button.
- Select the Modification → Rotate option from the menu.
- Use the keyboard shortcut: R then O.
- If you have not yet selected an object: select an object in the 3D view.
- The Rotate task panel opens. See Options for more information.
- If subelements have been selected: check the Modify subelements checkbox to switch on subelement mode.
- Pick the first point, the center of rotation, in the 3D view, or type coordinates and press the Enter point button.
- Pick the second point in the 3D view, or enter a Base angle.
- Pick the third point in the 3D view, or enter a Rotation.