Guitar nut compensation

Set action + fret height and compensation values in file. Goes under strings at nut, must fit firmly - strings must lay on this compensation to work. Print, middle one should be right one - depends on your action and printer - all three are same, differs only by one layer height.

Before use this:
- optionaly set octaves at saddle - luthier work for acoutic guitar, on my guitar 3th string compensation go at opposite direction then premade saddles compensation
- set thruss rod and action (https://www.instructables.com/id/Acoustic-Guitar-Setup/,
http://www.frets.com/FretsPages/Musician/GenSetup/NutAction/nutaction.html)

Tune guitar and for each string:
- fret string at 1st fret and use tunner (clip, build in or guitar tuna app)
- if string is too sharp, than add .1-0.2 mm to compensation
- if string is too deep, than substract -.1-.2 mm from compensation
- correct compensation value in scad and go to next string

Print again with corrected values and try again, you will pro