The eSun filament box is a handy little gadget to store the filament you are using. It allows you to keep your filament warm, thus reducing the moisture in it while you print, and it doubles up as a helpful spool holder. Its secret weapon, though, is the scales. Because you know the weight of the filament that is inside the eBox, you can know your filament won’t run out mid-print, and that’s worth its weight in gold.
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