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Extruder 3D models: mounts, drives and ducts

This collection gathers STL files related to extruder assemblies, mounts, cooling ducts and replacement parts for 3D printing. It helps you find the right geometry when you are modifying a 3D printer or rebuilding its filament path. Check the author's page for scale, part count and required hardware. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 10/10/2026


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À propos de la catégorie

«Extruder 3D models: mounts, drives and ducts»

Extruder models in this collection range from complete direct-drive or geared assemblies to simple mounting plates and adapters. Some designs use a shared motor and nozzle, while others split the filament path for multiple materials. Cooling ducts and fan shrouds form another group, and they differ mainly in the fan size and the direction of airflow they expect.

When choosing a model, look at the mounting pattern, the distance between the extruder and the hotend, and the space around the gear or drive wheel. Check the number of printed parts and whether the author lists screws, bearings or threaded inserts. For printing, read the recommended material and settings, then compare them with the temperatures and loads in your own setup.

To refine the search, try terms such as extruder mount, filament drive, hotend adapter, cooling duct or replacement gear. Related topics include direct drive, Bowden setup, dual extrusion, filament jam and PTFE tube. Adding your printer frame type or the fan size can narrow the results further.

FAQ

Questions fréquentes

What is the difference between a direct-drive and a geared extruder model?
A direct-drive design places the motor close to the hotend, while a geared version uses a reduction to trade speed for torque. The printed parts and mounting pattern differ, so check the assembly steps on the model page.
How do I know if an extruder mount fits my 3D printer?
Compare the mounting hole spacing, the frame profile and the clearance around the hotend with the dimensions in the files. The author's photos and notes often show which parts are reused.
Which parts should I check before printing an extruder upgrade?
Look at the gear ratio, bearing sizes, screw lengths and the filament path. Also check whether the design expects a specific fan or hotend size.
Can I use these models for a dual-filament setup?
Some designs have multiple filament inputs with separate or shared nozzles, but the geometry varies. Review the assembly and the motor arrangement before choosing a file.

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