Division of the just perfect fifth into 7 equal parts (7EDF) is related to 12 edo, but with the 3/2 rather than the 2/1 being just. The octave is about 3.3514 cents stretched and the step size is about 100.2793 cents. The patent val has a generally sharp tendency for harmonics up to 21, with the exception for 11 and 13.

Lookalikes: 12edo, 19ed3, 31ed6

Intervals

ed31\54 ed121/81 (~ed11\19) ed3/2 Pyrite ed122/81 (~ed13\22) ed34\57
(~ed17\29) (~ed10\17)
1 98.4127 99.2594 100.2793 100.5194 100.8365 101.295 102.2556
2 196.8254 198.5188 200.5586 201.0389 201.673 202.5899 204.5113
3 295.238 297.7782 300.8379 301.5583 302.5095 303.8849 306.7669
4 393.6508 397.03765 401.1171 402.0777 403.346 405.1799 409.0226
5 492.0635 496.2971 501.3964 502.5972 504.1825 506.4749 511.2781
6 590.476 595.5565 601.6757 603.1166 605.019 607.7698 613.5338
7 688.8889 694.8158 701.955 703.636 705.85545 709.0648 715.7895
8 787.3016 794.0753 802.2343 804.1555 806.6919 810.3598 818.0451
9 885.7143 893.3347 902.5136 904.6749 907.5284 911.6547 920.30075
10 984.127 992.5941 1002.7929 1005.1943 1008.3649 1012.9497 1022.5564
11 1082.5397 1091.8535 1103.0721 1105.7138 1109.2014 1114.2447 1124.812
12 1180.9524 1191.1129 1203.3514 1206.2332 1210.0379 1215.5397 1227.0677
13 1279.3651 1290.37235 1303.6307 1306.7526 1310.8744 1316.8346 1329.3233
14 1377.7778 1389.632 1403.91 1407.2721 1411.7109 1418.1296 1431.57895