After receiving a few 4C Plus boards, in place of the non-existent RPI 4B. I was after a convenient case/enclosure that would flip all the ports to one side, mostly for convenience.
The following,
https://au.rs-online.com/web/p/raspberry-pi-cases/2309821
from RS Components, works fine, with a few minor modifications.
1: The supplied heat-sinks do not fit as they do not align with the Rock chips. Use stick on heat-sinks.
2: The fit is tight, but with a minor adjustment, goes in well.
3: The 4C Plus antenna requires a small hole drilled into the rear acrylic plate to pass the lead through.
4: An additional hole is required for the push button.
Aside from these minor issues, it is a good quality, industrially oriented case.
I hope this helps others. Cheers.