I once knew a guy that would say, "It's a good thing we DON'T all think alike, otherwise every guy would be chasing after the same woman". I don't want anything as large as the original posting.
Thanks to Wayne's idea, I went to Wally World and bought a narrow, ratchet type belt. https://www.walmart.com/ip/Mens-Ratchet-Color-Belt-Automatic-Buckle-Genuine-Leather-belt/245605073 WalMart # 1472. Here is my revised plan. Today I took a 1/8" BB ply and sandwiched it between 2 sacrifice boards. Cut the piece shown, 1/16" higher than the belt buckle and oversize length. Cut the vertical lines between each letter. Quit for the day because of Iowa heat.
When I laid 2 pieces on the buckle, there was less of a gap than I expected. Tomorrow I will bevel 1 side of 1 piece, put a wax paper on the buckle, clamp and glue 2 pieces together. When that cures, repeat the process. That will take a long time. When the curved wood is done, sand both glue joints, inside & outside. It may very well end up in the trash at this point. If not, cut the width as needed. Next, cut narrow pieces for the 4 sides (Think ""picture frame"). Let it extend above the letters slightly (The way the fronts of kitchen cabinets are built). There will be no backer, because the cuts for the letters are so narrow. Will scuff up the buckle with a file and possibly use epoxy to attach it.
IF I succeed, there won't be a status report for a long time. If I fail and give up along the, will let you know.