3D & Generative · Sep 25, 2026

Sand, water and lava pile up in a falling-particle sandbox

Sand, water and lava pile up in a falling-particle… by CyrilXBT, credited to Claude Opus 5.5. Watch the 3D & Generative video and visit the original X post.

CyrilXBT@cyrilXBT
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Opus 5.5
110 likes · 18,571 views on X
From the creator’s post · CyrilXBT on X
🚨 Opus 5.5 is the best model launch in 2026 this entire physics engine is one HTML file. sand, water, oil, fire, lava, plants, steam. 108,000 particles at 6
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Video and prompt by CyrilXBT. Original post ↗

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