Ball Bearing Ender 3 Spool Holder 3D model preview
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About this 3D model

Simple Ball bearing for filament spool for Ender 3, external diameter 57.5 mm, internal diameter 32 mm. The spheres are airsoft BBs. Update 07/26/2018Added another outer ring with a diameter of 73 mm. Update 08/18/2018Added another outer ring with a diameter of 53 mm compatible with ICE filament spools.

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