So, this step has always destroyed my ability to perform the kind of amazing project this is. At some point, the progression has to be completely disassembled and refitted.
That, IMHO, is one of the hallmarks of true Professionalism.
One that will always reveal me as a mere hobbiest.
Welldone, LuckyPhil.
(And once again, thanks for the generous sharing of the methods, process, and progress . . . )