How to remade ancient keycaps ?

[Spharx]

I really like these old fat keycaps that I had taken out of my Blaupunkt CEPT-Btx-C1 Keyboard



but as you can see they had different standards in the 80s (num row) also the Z is missing so I had to replace it with a 7.
I need a replica of exactly the same keys just with modern ISO lettering. Also I would like to have the ANSI modifier keys in the same style.

SIGNATURE Plastics is only doing the tiny doubleshot keycaps right ? So where and how I could order some right keycaps ?

Spoiler:

Because the Keycaps where so fat that they dont wanted to fit onto modern MX switches i had to torture them a little bit



On the first one I have used sandpaper and a file.
On the second one I used just the file and on the third one I found out that I actually have a Dremel at home

Well the first one is a complete failure.

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Blaupunkt replied to me this day. They are not able to give me any information about the keycaps or the producer of them ... well around 30 years have passed but still i had expected more from them

[mintberryminuscrunch]

you might wanna get in contact with them and initialize a mass order, since the production costs for a single set are quite high.
edit: if u willing to mod the keys, why dont u buy a cheap old typewriter and try to mod the keys to cherry kompatibles