This is a machine that can be used to make rope for models and a larger version can be used to make full scale rope. It is called a "rope walk" and works on the principle that if you take three strands and wind them up individually in one direction, they will then release their tension by winding around each other in the opposite direction and the two forces will cancel each other out and the result is stable rope. This is what the machine that I use looks like. Turning the crank on the machine on the left causes all three strands to be spun at the same time..
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