To use Rotate tool inside modeler
Modify > Modeler > Rotate or press (y)
If you would like to use the rotate tool inside the modeler, first you need to go to the Modify menu and choose the Modeler. After that, you need to select the Rotate option or press (y) to select the rotate tool. It is used to rotate the point or polygon, as part of sculpting process in your projects.
Rotate tool can be used on either point or polygon.