These models are result of computer simulation which was written in to FBX files. Special shader controls the thickness and color across the lines. All models can be transformed as regular objects. Average vertex count 30-40k per model.
These models can be used with native unity particle system to create endless flights.
This pack contains:
1) 12 different model types
2) Multiple variations for each model type
3) 21 special textures for varying parameters
4) Specialized shader
5) 59 ready to use prefabs
6) Example scene