This video covers the drilling out and replacement of several unsatisfactory mother of pearl (nacre) fretboard position marker dots on an oak fretboard for a Brian May Red Special guitar neck. The marker dots turned out too thin after final radiusing with a StewMac radiusing beam and 320 grit 3M Stikit Gold self-adhesive abrasive paper. I mill out the installed dots by mounting the fretboard back onto my Stepcraft 2/840 CNC machine with the help of a custom designed and CNC cut acrylic (perspex) alignment template. I then glue in replacement dots and abrade them flush with the radiused fretboard surface using a flat bladed diamond file.
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