Use Unity VFX Graph to make the model float along the edges into particles. You can modify the particle size, color, fluttering direction, etc. by yourself.

Detailed instructional video: https://www.youtube.com/watch?v=xxLg8Xw7S-c

You can use it for commercial purposes.

2023.1.0b12

Render Mode：URP

Requires Unity Packages to be installed: Visual Effect Graph

Unity Assets file containing VFX, ​After downloading, please unzip the file first, and then use Unity to open the project file.