I see. The problem is that I can't find these white blank PBT caps in ISO layout anywhere...
Welcome to the big problem of ISO layout, you can't almost not find any ISO/Nordic layout PBT keycaps sets.
All good lookin keycaps sets are in ANSI layout.
Here is some pictures of mine ISO/Nordic/English k-boards.
Duckys Nordic Grey/Blue laser ingraved PBT set on my Ducky Shine 3 English ISO layout k-board.
The Esc cap is a HKP Raven Smoke cap on this picture.
Ducky Shine 3 with Duckys PBT yellow ISO/Nordic Dyesub set.
The 2 black "BEERBREAK" caps don't belong to the yellow set.
I solved mine never find any ISO/Nordic keycaps sets problem anywhere, I bought a ANSI k-board last year, got 5 ANSI k-boards now and never any problem to find any ANSI keycaps sets in blank, toprinted, frontprinted black, pink, yellow and so.