) he was by no means ready to manufacture the geodesic home domes at total production.  From the fifties, the geodesic dome had become a perfectly-accepted and quickly identifiable method of construction.  By early 1960, they have been commonly applied to house airport radar models. 

It's a form of threaded insert. There's two sorts: one is built to type a bulge to the back side with the panel as being a screw is tightened in its threads. The opposite is in the same way drawn in using a screw, but is drawn into the sleeve in its place of creating a bulge.[2][three] At