HDGL Hourglass · One Hot Exit · One Cold Exit · Tangent-Aligned · Round Toroid
Hot funnel (+z, 3 shells)
Cold funnel (−z, 3 shells)
Hot toroid (R=10, n=12)
Cold toroid (R=10, n=12)
Hot exit — 62° above plane
Cold exit — 62° below plane
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Speed
Trails
Density
Toroid: R=10 r=1.9 n=12 · aspect 5.3:1 · exits 120° apart · pipes at ±62° helix tangent