Dry filament spool container desiccant hygrometer

containers from here.

hygrometer from here.

This tray fits nice and snug inside the amazon 4l cereal containers. no need for a cover, just a quick simple effective desiccant tray with optional hygrometer holder. Only 1h18min!! less then 57grams!!

UPDATE: Now with filament labels!! Color change in the slicer to add letter contrast or print solid, your choice.