Outils et équipement

Automatic Shaft and Gearbox 3D Models

This collection gathers STL files for automatic shafts, gearboxes, motor adapters and related mechanisms. It helps you find parts for 3D printing projects that involve motion, transmission or feeding. The models vary in scale and assembly, so the author's page is the place to check details. 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.

Une collection Polyzon · 48 modèles sur 3 plateformes

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 14/10/2026

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«Automatic Shaft and Gearbox 3D Models»

Gearbox and transmission models range from simple gear sets to multi-part assemblies with shafts and cranks. Motor shaft adapters connect small DC motors to wheels, propellers or custom parts. Automated feeder designs combine a container, a tumbler or gear drive and a motor mount. Robotic and pneumatic parts include clamps, end shafts and propeller mounts for specific shaft diameters.

Before printing, check the listed shaft diameter, gear ratio or tooth count, and the number of separate parts. Look at whether the author shows supports, tolerances and the material or settings used. Assembly may require screws, bearings or glue, so review the photos of real prints and any notes on fit. If a model has moving parts, test the clearances on a small section first.

Try synonyms such as gearbox, transmission, gear train, shaft coupler or motor mount when searching. Related topics include RC mechanisms, robotics, automated feeders and custom brackets for motors. You can also search by shaft size, motor type or the name of the mechanism you want to build. Combining a broad term with a part type usually narrows the results.

FAQ

Questions fréquentes

What is an automatic shaft in 3D printing?
It usually refers to a rotating or moving shaft that is part of a geared or motor-driven mechanism. In 3D printing, such shafts are often printed as separate parts or used as adapters between a motor and another component.
What should I check before printing a gearbox or transmission model?
Check the shaft diameter, gear ratio, tooth profile and the number of parts. Also review the author's notes on supports, tolerances and assembly.
Can I scale a shaft or gear model up or down?
Scaling changes clearances and fit, especially for gears and moving parts. It is better to check the author's recommended scale or adjust the model in CAD if you need a different size.
How do I find a motor adapter for a specific shaft?
Search for the motor type and shaft diameter, then look for an adapter or coupler model. Compare the listed dimensions with your motor's output shaft before printing.
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