I'd love a pair.I'm pretty sure almost everyone, restoring E9 and not having NOS fenders would need this piece
Yes. It is popular method for small number of copies used frequently in some body shops.Took a while to find it; unfortunately I did not copy-paste any photo's, so I've got no visual reference to his tools.
Thread '2000cs body panel pressing moulds' https://e9coupe.com/forum/threads/2000cs-body-panel-pressing-moulds.29610/
I do remember that they were made from a green plastic resin.