Very close. Red version is scaled using the Anykubic slicer which is very close to fitting but the taper is misaligned. Black is scaled using fusion but fails (twice) when printing the second end. FWIW the unmodified version of model we’re modifying printed multiple times and fits great. MLS SAB is scaled in fusion Other is the slicer This is what I’m trying to modify. https://www.thingiverse.com/thing:6460823