i've just found some cool photos and info bout Messuggah Axes
Check this out
http://avhguitarrepair.com/the-meshuggah-guitar-archive/the-meshuggah-guitarchive-7-string-guitars/
http://avhguitarrepair.com/the-meshuggah-guitar-archive/the-meshuggah-guitarchive-8-string-guitars/
http://avhguitarrepair.com/the-meshuggah-guitar-archive/meshuggah-repair-notes/
Check this out
http://avhguitarrepair.com/the-meshuggah-guitar-archive/the-meshuggah-guitarchive-7-string-guitars/
http://avhguitarrepair.com/the-meshuggah-guitar-archive/the-meshuggah-guitarchive-8-string-guitars/
http://avhguitarrepair.com/the-meshuggah-guitar-archive/meshuggah-repair-notes/