I got them made at WASD Keyboards. They have a prepared design file for 104 key ISO (and some more layouts) you can use. My board carries 108 keys, but I don't mind the programmable keys looking different than the main set.
Quality wise, they look good, and I like the slightly rough feel. "Side print" is Qwerty in my own hand, with acrylic marker, for the kids. Profile is Cherry.
The question was posed and therefore answered in German. I do not think any excluding was intended, and translation help like deepl usually is only an URL and a bit of copy/paste away.
Milan himself tries to keep Meta out of his life, but he does not think panicking without solid data is the way to go. He wants to keep an eye on how the situation evolves, and if Meta is practicing non-moderation like on facebook, he will not federate with them for that even before entertaining deeper ethical questions.