Can you attach your .sldprt file so we can see your attempt?
How can I attach a file to a forum post?
Attach the *.sldprt file of your attempt here.
Probably easiest with surfaces, don't know if the geometry is correct though.
shelling a split-lined revolved cut works too
Shelling is a better idea!
i really like to use surfaces when i can but i felt shelling would be a bit simpler in this situation.
Retrieving data ...