Congratulations on a very fine case. I’d say you made the right choice going for a glued lamination instead of steam-bending. For what it’s worth, I believe the springback can be estimated like this: If rf is the radius of the form, r the radius of the final part, and there are n laminations, then r/rf = 1 + 1/n^2. So, with 3 laminations, r/rf=8/9.
“Reproduction” sounds appropriate to me. I also suggest you find a way to sign your work.

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