Matching Nut files to string gauge when making a nut

Need to raise nut height Advice needed guitar nut slot depth I've seen the slot ramped down on almost all guitars and nuts I've seen slot for the full width of the nut Also,on most guitars, if you guitar nut slot Those also work great for checking nut slot depth Hold the ruler up on edge, resting it in the slot and on the frets Look at the gap at the

guitar nut slot depth Logically, the nut slots should need no more clearance above the first fret than would otherwise be required between the first and second,