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.
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◇ 8 Prefabs
◇ 1 Material
◇ 1 texture(PNG)
◇ 4 Meshes
◇ 1 Shaders
2023.1.0b12
Render Mode:URP
Requires Unity Packages to be installed: Visual Effect Graph
Types of texture maps:TGA
Texture dimensions:128*128