In Cinema4D currently no native grains generator.
Here's Voxeliner generator comes handy — it generates single spline with two-point segments, which later can be used as source for Rope Dynamics.
This is Scene Nodes Capsule Asset, compatible with Cinema4D version 2024+
* To my fellow people:
В случае трудностей с покупкой, пишите мне в телеграм @kaktak_kaktak или в дискорд @kaktak#3777