Earbud storage box

Portable(?) 6 pair of earbuds storage case or tray for those into tip-rolling.

The pillar is 5.3mm, each bud space is 15mm.

Size is 96x36x12mm and 93x33x9mm for box and tray respectively.

The tolerant between the container and the cap is 0.2mm

Update: 2019/06/28

Added a version with pillars for friction-fit magnets (5x2mm neodymium from aliexpress/ebay)