I got a IBM OEM case to work on, and is not likely that I can drill holes for screw, it is a layer of aluminum bezel and another layer of plastic bezel and I don't have drilling tools as well.
I am planing to glue those fans using heavy duty double side tape, ideally could absorb some vibrations as
well. Or some super glue with absorbing rubber layer are better? How about 3M modeling tape? It is a small project, but I don't have much material to work with yet, and don't want buying wrong stuff and found out it didn't working as expected.