This piece of work contains no 3d geometry. By procedurally created 3 sets of textures, 11 planar planes are displaced by height maps.
You can find the 1.0 version of this approach by this link:
https://www.artstation.com/artwork/K3v0OX
Also the PCB material that I've used on this project is available on my artstation store.
https://artstn.co/m/ovwnB