Enable Rotate by switching to 3D view

Enter 3D mode from the navbar so the greyed-out Rotate tool becomes available.

1. The "Rotate" tool is greyed out until you enter 3D mode from the Navbar.

2. The "Rotate" control in the design is greyed out unless the view is 3D.

3. On the "Sketch" tab the "Rotate" tool is greyed out unless you are in the 3D view, so switch to 3D mode from the navbar first.

4. Enter 3D mode from the navbar first.