I don't quite know what you're looking for because every bow might tune a little differently and as such require slightly different rest settings. If your bow was, as you said, tuned fairly well why don't you take a few measurements of your own as it is now. Like measure the centershot position. Nock an arrow and measure from the sight window to the center of the shaft. For vertical you could measure from some reference point such as the top edge of the top roto cup to the top of the arrow where it sits on the rest. These might not be precise, but should give you very close approximations on where to set the new rest up. Then do some fine tuning from there.
Another one you could use for the vertical setup of the rest is to measure from the stabilizer up to the shaft. There are lots of ways to get around just guessing.
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