This piece is great, your photography is cool too, I would have thought this piece was much larger if you had not posted the dimensions, it has a big look to it.
I saw one of your pieces featured in AAW as the turning of the week. I said to myself "I know that man". You do good work and are an inspiirition to many of us
I use a router to do the top 2/3rds of the flutes then I do the bottom 1/3rd by hand. my lathe has not got bed bars so allot of the commercially available routeing jigs do not work so I had to come up with another method. this short YouTube video shows how I did a previous piece to this one https://www.youtube.com/watch?v=9NawVMXjnxo