Audi 80 B4 how to make second compartment?
 

Hello ppl. I have an audi convertible from 1996 and had to remove the old passenger airbag and I would like to make a second compartment in its place. Could someone help me figure out how to create an opening?
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https://images84.fotosik.pl/687/9067b08b03cb59bbm.jpg

https://images83.fotosik.pl/686/b4cc29ac590a39bdm.jpg

https://images84.fotosik.pl/687/c7a75cfc980ceab7m.jpg