4 model

Free

Creality Ender-2 Ball bearings filament roll support

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Free

ANET A8 Y axis on ball bearings - smooth and light !

Thingiverse

Free

Anemometer Weathervane Combo with 2 Ball Bearings

Thingiverse

Free

Smooth, adjustable filament spool holder with ball bearings

Thingiverse