AndreaFanelli i liked the design very much…but after checking the design i found that nothing buds and cmf buds have minor change in dimensions…
I took inspiration from your design and changed dimensions and made a specific case for CMF BUDS 2A ..
As i don't want to take credit for this.. I'm posting in the same discussion and not using it for monetary benifits..
Here is the link of the stl file for EVERYONE to download and use for PERSONAL USE ONLY… (no commercial use)
https://www.printables.com/model/1484354-cmf-buds-2-carabiner-case

@IrfanHanif you can download it from link above and make it for yourself…👍🏻