High load capacity and easy printing without support
Bearing 1pc 606ZZ
Screw 1pc M3x12
Neodymium magnets 6pcs circle 4x4 mm
Neodymium magnets 6pcs circle 4x2 mm

Box:
Printed without support. PETG / layer 0.2 / perimeter 2x / fill 0%
Holder:
Printed without support. PETG / layer 0.2 / perimeter 3x / fill Grid 15%

XL: https://www.printables.com/model/1224678-prusamet-spool-stackable-sorting-drawer-xl