For projects where the circle already exist, but you want to use “Revolve” instead, you can also use the following macro. It extracts the centerline of circles and arcs, so that they could be used as an axis for the “Revolve” command. You can also see a tutorial video in the link below.
Axis from arcs and circles ! _CPlane _Object _Pause _ProjectOsnap _Toggle Enter _Pause _Line _Vertical 0 _BothSides _Pause _Pause _Cplane _Undo _ProjectOsnap _Toggle Enter