Filament Holder, 120 mm High at Center

Structural Design: Employs a dual-side bearing support system, with deep-groove ball bearings mating directly with the shaft to significantly reduce rotational friction on the filament spool. This prevents filament slippage and jamming, enhancing filament feed stability.
Assembly Features: The bearings are press-fitted into designated holes in the holder, secured axially by retaining rings and end caps, ensuring easy installation and robust positioning. This effectively prevents bearing movement and accommodates standard 3D printing filament spools.
Practical Advantages: The entire component is manufactured via integrated 3D printing, resulting in low cost and lightweight construction. Its base design ensures stable placement, making it compatible with desktop‑level 3D printers while minimizing issues such as filament tangling and inconsistent filament feeding, thereby improving overall print efficiency.

Bill of materials

Name
Quantity
Notes
1
轴承
2

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The author declares that this work is their personally original model

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You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.

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