Miaplacidus

Miaplacidus is a tritave-repeating rank-2 temperament that tempers out the comma 5859375/5764801 in the 3.5.7 subgroup, the amount by which 4 15/7's exceed 9/7. It thus tunes the chord 7:9:15 accurately. Having a generator of ~15/7, it possesses MOS scales of the families 3L 4s<3/1>, 3L 7s<3/1>, 3L 10s<3/1>, and 13L 3s<3/1>. Good tunings for this temperament are 13edt, 16edt, and 29edt.

Interval chain (POTE tuning)

Generators up	Cents	Generators down	Cents
0	0.00	0	0.00
1	1316.10	1	585.86
2	730.24	2	1171.72
3	144.38	3	1757.58
4	1460.48	4	441.48
5	874.62	5	1027.34