These files are part of my xBuddy cooling chimney: https://www.printables.com/model/1147850-xbuddy-cooling-chimney.
In addition you also need to download @teslapunk's “link” and print it three times: https://www.printables.com/model/107125-flexible-segmented-vacuum-hose-40mm-fits-dn40-pipe/files#preview.file.arO8c.
The author remixed this model.
The parts have been both shortened and integrated in my own creations.