Sprott–Linz Case C — dx/dt = y·z, dy/dt = x − y, dz/dt = α − x². Classic chaotic α=1 (parameter-free Case C; α slider for small tweaks). Distinct from Case B (ż=α−x·y) and Case A (y, −x+y·z, a−y²). RK4, not sprott-linz-b.html, not sprott-linz-a.html, not sprott.html, not Finance, not Bouali, not Genesio–Tesi, not Arnéodo, not Newton–Leipnik, not Rabinovich–Fabrikant, not Nosé–Hoover, not Rucklidge, not Wang–Sun, not Lü, not Chen, not four-wing Qi, not Dadras, not Halvorsen, not Chua, not Aizawa, not Thomas, not Rössler, not Lorenz butterfly, not Newton basins. Gold low-alpha trail, cap 650. RM = settled silhouette, no animate-on.