Elevator & Narrow-Hallway 3D Moving-Sofa Pivot Clearance Simulator

Deterministic 6-DOF rigid-body SE(3) configuration-space obstacle collision search (3D Moving-Sofa corner & lintel diagonal envelope) engine (.svg, .pdf, .json) built for B&B Italia, Minotti, Steinway, Otis — zero-upload ephemeral Wasm RAM execution.

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