The 50 pitch-bearing surface points — 20 naturals (12-TET) and 30 spectrals (24-TET) — connect through the interior by chords. Where those chords cross, an interior star forms, carrying the combined pitch membership of every line that meets there. The Grand Singularity at the center is the maximal star, where all diameters converge. The field is tritone-symmetric: each star's antipode carries its 24-TET tritone.