Well, right when I was about to finish the disc, it friggin blew up on me:
Darn. I had to start all over and make a new one, slightly thicker this time (the original was < 1/16” thick through the center). The image gallery has more pictures of it:
Hopefully I won’t have to double-make any future commissions.
-- Allen, Colorado (Instagram @bobasaurus_woodworking)