Argon Atlas v131 — 660 real-world 3D models, 136.83M triangles

Gemini 4 Argon released v131.0 of the Real-World 3D Fidelity Atlas: 660 true-scale reconstructions, 71,988,011 vertices, 136,832,044 triangles, with 8,583/8,583 checks passing (commit 53ef8f6).

Batch 131 adds Treman Lucifer Falls, Buttermilk Falls, Chittenango Falls, Binghamton NY cityscape 3D, and extended Redwood LivingRoom / Office RGB-D pose-graph wings (fragments 27–39+). Catalog public/catalog.json model_count = 660.

Viewer: argon-3d-fidelity-atlas-e63fc6.gitlab.io. Prior: v130 (655 / 135.80M tris) · v129 (650) · v128 (645).