This case fits 10 608ZZ bearings.
3mf file already includes modifiers for speed and quality. Layer height on tube is 0,24 mm, on thread it's reduced to 0,12 mm.
After print, try screwing the lid on few times and clean the case before inserting bearings. Plastic particles may come off from thread or stringing after print and first use.
The author hasn't provided the model origin yet.