Curious.. What is this piece to be used for? How large a hole?
Wondering if you could glue up four pieces, each with one edge eased on a table saw at 45 degrees to produce the center hole. Then turn on a larger lathe than I have. Mine is a 1014.
“Americans have the right and advantage of being armed, unlike the people of other countries, whose leaders are afraid to trust them with arms.” – James Madison.