ahh okay you mean that big groove, I was thinking of a slightly finer 3D print 
Absolutely not, I’m just interested in it. But as I said, when 3D printing gets finer, it is difficult, if not impossible, to measure anything else. But it shouldn’t be a criticism at all.
@SphaeroX you can see 0.1mm layers from printing , I have full thread of MINI stuff to check out if you don’t yet .
I have 7 microns finger prints on a hand scan also in my MINI thread under showcase.
BTW @SphaeroX
here are the scan of a print layers at 0.2mm layer height
I was just testing something …and reminded me