This is techno-sorcery!
Unite India is here: https://unity.com/event/unite-india-2019
there is no need to create a vdb, but it works yes
Take a look at a pack by Marc Obiols that will allow you to make easy and quick pipe setups for your industrial or sci-fi scenes.
The pack features 27 modular pieces and 6 different texture sets. The set also comes with a 1.5x size adapter to change diameters for different structures.
The artist allows you to use this content for personal and commercial projects without restrictions.