Here is an old trick for gluing back wafer thin plastic back together. Not all of us owns a high end 3D printer that can print out high quality replacement parts.You'll need some baking soda (not to be confused with baking powder), cheap Chinese knockoff polyimide tape and of course some superglue.
Carefully align the pieces together and protect the side that needs to be flat.
- It helps to hold and align the small plastic bits together.
- The tape protect one side of the plastic from excess glue.
- It helps to collect glue in the cracks between the plastic pieces.
- Glue doesn't stick to polyimide surface well and the cheap silicone glue is pretty weak, peels off easily without leaving a residue.
Next glue the pieces together and dip the whole thing inside some baking soda while the glue is wet. I use a small piece of wire as a brush to control the amount of glue.
The baking soda helps to soak up the glue, increase the surface area and build up material. Brush more glue on and dip it again until you have built up enough material for strength.
I use needle files to clean up the excess materials and apply a final coat of superglue.
It is not the greatest repair job, but it holds together and flexible enough to snap back into place.
It is fixed for now.
https://www.google.com/search?q=Superglue+and+baking+soda
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