As people were having trouble with the different patterns you can get slicing changing layer height, I made the cover with the same pattern I've got with the pictures I've posted here.
UPDATE 2:
Added background and details separately for both cover versions.
UPDATE:
Added versions to fit the OLED design better.
The front plate is removable so you can print in other colors and change as you wish.
If you print at 0.16 layer height, you'll get the same pattern as in the pictures. Above 0.16, the pattern changes, and at 0.3, it smooths out.
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