3afdo

3ado, if the attempt is made to use it as an actual scale, would divide the octave into three arithmetically equal parts. The notes of this ADO form a 3:4:5 triad, which can be used as the fundamental consonance in some non-octave tunings such as EDTs in place of the 4:5:6 major triad.

Intervals

#	Cents	Ratio	Interval name
0	0.0	1/1	perfect unison
1	498.0	4/3	just perfect fourth
2	884.4	5/3	just minor sixth
3	1200.0	2/1	perfect octave