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Portent is the rank-3 temperament tempering out 385/384 and 441/440. It is the most efficient 11-limit extension to gamelismic, the 7-limit version tempering out 1029/1024.

See Gamelismic family #Portent for more technical data.

Interval lattice


Portent enables essentially tempered chords of gamelismic, keenanismic, and werckismic.


  • Portent11tri – 11-tone trivalence scale in 190edo tuning
  • Portent26 – 26-tone hobbit scale in 11-odd-limit minimax tuning