base freq 0.08→0.012 (~260 cell wide hills, was ~40) detail freq 0.23→0.04 (~78 cell features, was ~14) micro freq 0.57→0.11 (~28 cell ripples, was ~6) amplitudes reduced: base ±20→±15, detail ±10→±7.5, micro ±5→±2.5 Result: wide rolling hills instead of narrow sharp peaks.