Universal Filament Spool Holder with Bearings
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A universal filament spool holder using three ball bearings for smooth and low-friction spool rotation. The roller axle
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial
This project is a universal filament spool holder designed to provide smooth filament feeding using three ball bearings.
The system consists of a universal roller axle and printer-specific mounts.
The axle uses a TR12x3 trapezoidal thread, making it easy to design additional mounts for other printers.
Included mounts are designed for:
Ultimaker Original+
Ultimaker 2+
Because the axle is universal, additional mounts can easily be created and shared as remixes.
The spool rotates on three standard ball bearings, which significantly reduces friction and improves filament feeding reliability.
The holder works well with:
standard 1 kg filament spools
cardboard spools
plastic spools
Design Details
Thread: TR12x3 trapezoidal thread
Bearing support: 3 ball bearings
Modular design: universal axle + printer specific mounts
Easy to remix for other printers
The TR12x3 thread prints reliably and provides a strong and stable connection between the axle and the mount.
Bill of Materials
Required parts:
3× ball bearings (608ZZ or similar)
Print Settings
Recommended settings:
Layer height: 0.2 mm
Infill: 20–30 %
Perimeters: 3
Supports: Usually not required, depending on the mount design
Material: PLA or PETG
Remix Friendly
The axle uses a TR12x3 thread, so additional mounts can easily be designed for other printers.
If you create a mount for another printer, feel free to upload it as a remix.
If you print it, I would love to see your make!
If you like this model, please consider liking ❤ and downloading.