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Re: Polycord Pulleys
Back in 2012 when my team used polycord belting, we just lathed up some delrin and it worked fine.
I would imagine 3D printing would work just as well if you can; the pullies aren't going to be under particularly high stress.
Haven't seen it mentioned yet, but be aware that over the season, the polycord will stretch and you'll have to have some extra made for replacement. Or have a system to de-tension them between matches to help the lifespan.
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