Accurate Split-Flap Display Can be 3D Printed

Makers can now 3D-print accurate split-flap displays, the mechanical information boards once found in airports and train stations. According to Hackaday, split-flap displays consume power only when characters change, making them far more energy-efficient than liquid crystal or LED screens. The ability to fabricate these precise mechanisms at home enables enthusiasts to build retro-styled clocks, information displays, or art installations.

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