adywan said:
... All the boxes, pipes etc will be built physically at 1/72 and placed in the set, including all the lights etc. ...
Love how your miniature of the hanger is coming out. In constructing my 1/48" scale of Echo Base, I used guitar string for the pipes. I was also pointed to piano string and a another off the shelf item that could also be used called "Ugly Toob"