Kinetic Chain Demo

You've seen those string fountain toys that shoot a loop of string, creating weird loopy patterns. I got it in my head to create the same sort of thing but using roller chain. It turns out the dynamics look quite different, but still interesting. Both demonstrate the phenomenon of standing waves in an unconstrained moving flexible chord. The patterns created in the chain when you change speeds slowly morph as energy is lost in the chain link friction.This demo thingy uses a 1:6 planetary speed multiplier to get things going, driving a 3D printed roller chain on the large sprocket. The animation shown was done with 80 links in the chain. You can get different effects and behaviors by experimenting with more or fewer links. PrintingPrint 3 of the gear24 parts, 80 of the roller chain links (or more for experimentation), and one each of the rest of the parts. I would recommend PLA, but other filaments would probably work as well. Use a 0.2mm or finer layer height. All parts print without s