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Indeed, there are many ways to accomplish a good fit. Dependent upon what ails it, a cure can usually be found.

Somehow, some way! ;)

I did it as I was working with old bone scales. Heating and bending won't work. Pin holes are already drilled.
When a blade is twisted, such as in the OP's 12th pic, lots more to it than closing...

Great minds think alike! Nice restore! Your horn scales are accurate and pretty.