Brietech writes "'Behold the FIBIAC! It's loud! It computes! It uses actual punch cards!' The FIBIAC is a simple, stepper-motor based, (mostly) 3D-printed electromechanical computer. The program is stored on a loop of paper punch-cards, and the machine uses three, 3-digit electromechanical counters for storage (which could be expanded to support more complicated programs) Watch a video of it computing the Fibonacci sequence, or jump on Thingiverse and build your own."
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