in this video, we created a vellum cloth animation in blender of balls moving in a cloth, this was created using the blender particle system and cloth sim. a big shout out to @attimp4 and @CGMatter they showed different techniques on creating this. i would leave a link to there videos below.
other ways to achieve similar result:
atti: • How I made this in BLENDER in 3 minutes
cgmatter: • Just ew... ...