Fins on a 3d sketched sweeped pipe

hello, i am trying to add some finns on a 3d sketched (so it has curves in it) sweeped pipe by making a rotational sweep cut.
unfortunatelly solidworks does not do anything. Does someone have a better idea?

regards

omega

1 Answer

have you tried the helix and spiral command. you can add or take away as many or as little that you want.