The new Nightjet (cross-Europe night trains from Austria’s national train company) “mini cabins” are pretty much like that: https://www.nightjet.com/en/komfortk

The new Nightjet (cross-Europe night trains from Austria’s national train company) “mini cabins” are pretty much like that: https://www.nightjet.com/en/komfortkategorien/nightjet-neue-generation https://www.nightjet.com/en/komfortkategorien/nightjet-neue-... Some renders with highlights can be seen at https://www.youtube.com/watch?v=8e54969RNVs https://www.youtube.com/watch?v=8e54969RNVs