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RAY CAUSTIC VISUALIZER
Ray Caustic Lens Lab
Trace a bundle of 3D rays through a thin lens with aberration and tilt controls, focal-spread diagnostics, ray ledger CSV, caustic SVG, Markdown brief and JSON receipt.
Reviewed 2026-06-29
EducationThin-lens focus approximation with aperture-dependent aberration3D ray bundle with focal-plane spread diagnosticsCaustic projection and ray ledgerCSV/SVG/Markdown/receipt exports
WHY THIS BELONGS ON FASTTOOL
A visually serious tool should produce an artifact, not a paragraph.
This page creates a 3D scene, an inspectable projection, a ledger, a written proof brief and a receipt that humans and AI agents can compare.