OK, now I will come full circle to this…
Now that we have yPlus average at 105, lets put things into the calculator for that:
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Since this is a calculator that shows centroid distance as ‘Estimated Wall Thickness’, we need to double its output of 1.6mm to get 3.2mm 1st layer thickness… That is pretty close to the 3.4mm 1st layer that got us to yPlus area average of 105 