www.fastcompany.com: In 1976, contemporary artist Ward Fleming came up with a clever idea. He set hundreds of round-ended metal pins on a boxed grid so that the pins could only move on one axis. Pressing his box against any surface moved each pin independently against the surface’s volume features, effectively creating a 3D model of any object. Pin screens became an instant hit, joining Newton’s Cradles, Drinking Birds, and Magic 8-Balls in the pantheon of useless 1990s toys.
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