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← All field notes TEARDOWN · No. 046

How Apple's iPhone page scrubs a 3D render without killing your laptop.

A honest breakdown, with code. Spoiler: it's mostly math and patience.

Studio · March 22, 2026 · 12 min read

iPhone scrub

Frame ladders + intersection observers.

← Previous The 4px problem: a love letter to being annoying about spacing. Next → Shipped Orbit 0.4 — preview environments that don't hate you.

podeszwa.dev

Available for one new engagement in Q3 2026. Everything else is a friendly maybe.

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