I can't find the original thread, but a few years ago I asked if it would be possible to simply glue on a new rosette over the existing one. At that time I was asking because I had a guitar that I liked, but the rosette really wasn't very nice.
Now I have just acquired a nice luthier classical guitar, that unfortunately had been terribly cared for. A good number of dings and light scratches, which don't faze me at all, but the rosette is damaged in a way I have never seen. About one third to one half of it is both darkened and slightly raised, like bubbled up. I get the feeling it's water damage.
I'm thinking of leveling it, probably with an Exacto knife - a gentle slit and flatten, and if that doesn't work just level by cutting. Sanding is too risky. And then just glue a new pre-made rosette over it. But I don't remember what the consensus among luthiers was, as to how feasible this is. Would what amounts to a raised rosette affect the sound. It might actually look interesting.
Appreciate any opinions. Thanks.