| abstract |
A filament spool (70, 310) for use in a filament spool container (10, 12), where the filament spool (70, 310) comprises a first rim (312) and a second rim (314) offset by an axial shaft (316), and a series of grooves (332a-332d, 334a-334d) extending along a first portion of the first rim (312) and configured to receive a filament (72) of a material while the filament (72) is wound around the axial shaft (316) in a first rotational direction. |