LauriePriest : well its just simple extruding selected faces (extrusion tool) on plain poly cylinder where , Polygons-> Tool Options > faces keep together :off and subdivision caps on cylinder set 1. (default) Then select faces (3 faces space) and extrude there and there.Subdivision axis on cylinder was 45. After selection you can do quick set from selected faces for later quickselect Select faces > (Create -> Quick select sets -> name it for example wheelfaces. then if you need this selection you can type in box (sets - just on top on the status line toolbar ) wheelfaces and voila its selected