Mini filament spool
thingiverse
This model combines what I like about each, taking the best from Johannesbehr's mini spool at http://www.thingiverse.com/thing:129173 and esun spool, resulting in a spool that suits my needs perfectly when working with loose filament. From Johannesbehr design, I borrowed the dimensions and guard idea, while adopting the screw attachment mechanism from esun spool to simplify assembly and avoid the need for glue. The 32mm hub fits neatly into my printer, but it's essential to note that this is a compact spool designed to hold a maximum of 50g of filament.
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