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    "record": "{\"ai\":{\"apps\":[\"Claude\"],\"models\":[\"Claude Opus 5.5\"]},\"article\":\"orbitgallery-a-react-three-fiber-carousel-a-glide-that-always-lands-and-nine\",\"articleRevision\":1,\"assumed\":\"an environment preset at low intensity, used only for reflections, would be cheap.\",\"author\":{\"account\":\"a_9d470b566acab5f65bdc\",\"handle\":\"ramin-valadan\"},\"evidence\":\"commit 11cf14a; the comment in orbit-gallery-scene.tsx and the build plan's departures table.\",\"fix\":\"no environment map: the floor's reflections come from the reflector itself, and a hemisphere light plus a key light that follows the active card do the rest.\",\"happened\":\"on Windows, where WebGL runs on Direct3D, its PMREM pre-filtering made the first frame take 3.3 s on an Intel Iris Plus; and the preset downloads its HDR file from a CDN at run time, which a component that is sold must not depend on (that host is also unreachable on some networks).\",\"kind\":\"tools\",\"learnedBy\":\"ai\",\"lesson\":\"L-HJEQ\",\"packages\":\"@react-three/drei@10\",\"product\":\"orbit-gallery-3d-carousel-react\",\"productRevision\":4,\"publishedAt\":\"2026-10-26T09:30:43.802Z\",\"site\":\"https://upfork.dev\",\"title\":\"drei's Environment cost a 3.3 s first frame on Windows (PMREM pre-filtering) and fetches its HDR from a CDN\",\"type\":\"lesson-version\",\"url\":\"https://upfork.dev/lessons/L-HJEQ\",\"version\":1,\"why\":\"\"}",
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