Chrysler AM/FM 3501623 Radio

I agree it it is not easy, but it is possible. With the radio at hand, and the description it should be possible. It may take a few attempts, but it is possible. When the part was first made it was likely made by hand in a model shop, then an even more difficult mold of several components was made to fabricate the part.

It is possible to make individual parts from steel and braze them together. The braze is not done in the normal fashion. It is done with thin sheet brass, flux, clamping and heating. I am not saying I want to do it. It would take me about day to do,

I also have a neighbor that carves drywall molds, then pours in melted pot metal. His work is quite intricate. He is jewelry artist. I am not recommending him however.

OT:
I started fabricating parts for my father 50 years ago. It involved making lock parts for muzzle loading guns. I made many missing parts. I was good enough (better than him), that he did not want me to mess with electronics. It was a struggle, neighbors helped by giving me radios to fix and for parts. I ended up with a EE degree, all my fingers, however some are damaged. To earn money for school, I worked in a machine shop that made machines to manufacture parts.