Spool for loose filament

thingiverse

This spool, designed for 5lb rolls of loose filament, features grooves at the end of its arms to accommodate optional rubber bands or string for added tension. Although room for improvement exists, a holder has yet to be created; currently, the threaded rod is bolted into a shelf hole but may change in future updates. Files will be posted if a holder is designed. With all parts printed and a 5lb coil loaded, operation took only 15 seconds and proved highly effective. The spool requires two 608zz bearings, 22cm of 8mm threaded rod, four nuts, two washers, five 3mm bolts (25mm long), and the corresponding nuts and washers for assembly.