I went to replace the drivers grab handle (the one above your head) on my BMW 330e with a sunglasses holder from Aliexpress (only £6) but one of the nylon fixings that you push into the metal of the frame broke as it is far too tight a fit!! So what do we 3d printer guys do when given a problem like this…?? Yup make our own and of course a better fit, now it just pops into places and grips the frame when the screw is fitted as intended.!