Printer parts

Filament Rewinder and Spool Holders for 3D Printing

This collection gathers STL files for handling filament supplied on large coils and for moving it onto smaller spools. It covers rewinding rigs, spool holders and stands, and adapters shaped around a specific 3D printer. The designs differ mainly in which coil sizes they accept and how the spool is driven. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 48 models from 6 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-12

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About the category

«Filament Rewinder and Spool Holders for 3D Printing»

Rewinding rigs usually combine a frame, an axle for the source coil and a crank or motor mount for the target spool, while holders and stands simply keep a coil turning as it feeds the 3D printer. Adjustable stands use sliding arms or stepped slots so that one frame takes several coil widths. Machine-specific adapters are shaped around a particular carriage or top rail, so they take less room but fit fewer setups.

Before printing, compare the hub bore and the outer diameter of the coils you actually use with the dimensions the author lists, and check the total weight the frame has to carry. Look at the parts list: some designs need bearings, threaded rod or screws, while others print as a single piece. Read the material and settings the author recommends, and look at photos of real prints to judge how the arms and axle seats came out.

Search terms can be widened: respooler, spool winder, filament transfer rig, master spool and refill spool describe related designs, and roller stand or bearing holder lead to simpler alternatives. Related topics include dry boxes, spool weights, filament guides and runout sensors, which are often printed alongside a holder. Adding the coil weight and the printer model to the query narrows the results further.

FAQ

Frequently asked questions

Can filament from a 3 kg coil be moved onto 1 kg spools?
Yes, if the rig holds both hubs and the frame is wide enough for the larger coil. Check the hub diameters of both spools and the axle length before printing.
Do spool holders need bearings?
Not always. Bearings lower friction on heavy coils, but a smooth printed axle and hub can work as well. The author's parts list shows which version a design expects.
What should I measure before printing a holder or rewinder?
The spool bore, the outer diameter and the width of every coil you plan to use, plus the weight of a full one. Also check whether the model needs supports and whether it fits your build volume.
How do I keep rewound filament tidy on the new spool?
Guide the filament with your hand or a printed guide, keep light tension while winding, and secure the end in the spool's slot. Winding in even layers reduces the chance of tangles later.
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