Hi,
I created a new scene for the rain material that I created previously. I also managed to improve the material this time.
I hope you like the results.
Unreal Engine Rain Material - https://artstn.co/m/1R7b
Substance Designer Material (Static) - https://artstn.co/m/VJK
I took the chair and table from Modo content. Rest is modeled in Solidworks.