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A 3D LED hologram fan is designed to simulate three-dimensional images by utilizing a rapidly spinning set of LED blades, typically mounted on a rotating motor. The LED blades operate at extremely high speeds, often ranging from 600 to 1,000 RPM (revolutions per minute). The lights emitted from these blades create a visual effect that appears to float in the air, much like a hologram. The technology relies on persistence of vision, a phenomenon where a human eye perceives an image as continuous when it is viewed in rapid succession, thus allowing the brain to interpret the spinning LED lights as a three-dimensional object.