There is a company in Sweden that builds necks for guitars with true temperament frets: http://www.truetemperament.com/ http://www.truetemperament.com/ Looks

There is a company in Sweden that builds necks for guitars with true temperament frets: http://www.truetemperament.com/ http://www.truetemperament.com/ Looks weird, but is actually ok to play on. Steve Vai has an EVO with TT frets. http://www.truetemperament.com/videos/ http://www.truetemperament.com/videos/