Possible: Directly going from i55 to i75 tool

[Morari]

So what are the steps to make this to work? You have explained that it's possible to go from i55 to i75 but there's no steps on which actions we should use to not lose durability before it's done.

It's right there in the first post. "So just spam Piece by Piece & Ingenuity II+Careful Synthesis II (Ain't nobody got time for quality)."