Star Polygons and Drum Machines
The {7/2} heptagram is not only a symbol. It is a traversal algorithm over seven beat positions. Because 7 is prime, that traversal never gets trapped in a sub-orbit.
Geometry
The Impossible Heptagon
A regular heptagon is not constructible by classical compass and straightedge. That theorem can illuminate seven-fold imagery, but it does not document Danny Carey’s compositional or symbolic intent.