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I don't have a 3D printer but before I retired I got one for school. One of the kids decided they wanted to make something that would fit onto Lego Technique, he had. We measured the Lego really carefully and drew the piece exactly but the piece contracted quite dramatically as it cooled so there was nothing like a fit. Sadly there wasn't time for him to redo the work. Yesterday's thread about Contraction rules brought it to mind. Does you 3 D printer software take contraction into account?
I don't think that is really possible because of the various environmental differences, moisture and temperature can effect the filament shrinkage.