Spool holder with bearings
thingiverse
A versatile spool holder (with bearings) that supports most 1Kg filament spools and below is now available free of charge. The minimum diameter of the centre of the spool is 50mm, while the maximum width is 74mm. This innovative design utilizes two low-cost 608zz bearings, which are commonly used in skateboards and 3D printers alike - OD 22mm x ID 8mm x 7mm width. The holder is designed in three parts: a central roll and two identical end caps that house the bearings. A sturdy M8 x 90mm bolt, secured to a captive nut (welded) on a metal plate attached to the side of a nearby cupboard above the printer, provides support - although you could easily attach it to a support on top of the printer if desired. This spool holder is not only useful for holding filament but also serves as a great starting point for any project that requires a roller.
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