I will buy a set of cheap countersinks with HEX ends. Unfortunately, the countersinks were only packed in a plastic bag.
That's why I designed a simple box so that they don't get damaged during storage.

Print instructions:

I decided to use PETG and printing the model does not require any special settings.See the attached 3MF file for detailed print settings.

Custom modification:

If you want to modify the model, I am attaching the STEP file and a link to my OnShape.

OnShape Link

Note:

Please don't forget to leave a rating or a comment. Feedback is important for me Thank you very much.

Happy printing!