cube; pri4; j8; j15
V=14 E=36 F=24
symmetry *432 · Eisenstein: oct T=3 (1,1)
Models can be manipulated.
Eisenstein family oct — red this net, blue ancestors, green descendants, grey cousins; mirror sector below the axis (reflections lumped); dashed ray = the Z-multiples. · family map, from the unit’s point of view