Outils et équipement

775 Motor Gearbox 3D Models and STL Files

This collection gathers 3D models for gearboxes, adapters, and mounts built around 775-size DC motors. You will find planetary, cycloidal, and compact reduction designs, along with holders that connect the motor to a frame. The files are useful when you need to change speed or torque for a 3D printer project, robot, or small machine. 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 12/10/2026


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«775 Motor Gearbox 3D Models and STL Files»

The models range from planetary and cycloidal gearboxes to simple fixed-ratio reductions and motor mounting plates. Planetary versions use several small gears around a central sun gear, while cycloidal designs rely on a shaped disc and pins. Adapters and holders are often simpler parts that align the motor with a frame or another mechanism. Some designs are compact and self-contained, while others are meant to be assembled with bearings, shafts, and fasteners.

Before printing, review the size and scale, the number of parts, and how they assemble. Check whether the model needs supports and which material and settings the author lists. Photos of real prints can show how the gears mesh and where clearances matter. If the design uses metal shafts or bearings, confirm that those parts match your motor and frame.

To narrow the search, try terms such as 775 motor gearbox, DC motor reduction, planetary gearbox, cycloidal drive, and motor mount. Related searches include shaft adapter, gear reduction, and motor holder. You can also look for designs made for specific frame sizes or projects, then compare their part counts and assembly notes. Combining a motor term with a mechanism term usually gives more focused results.

FAQ

Questions fréquentes

What does a gearbox do for a 775 motor?
It reduces the motor's output speed and increases torque for mechanisms that need slower, stronger rotation. The result depends on the gear ratio and the load connected to the output shaft.
How do I choose a gear ratio for a 775 motor project?
Start with the speed and torque your mechanism needs, then compare that with the ratios shown on the model page. A higher reduction usually lowers speed and raises torque, but the gear type and part count also affect the build.
Which filament should I use for a 775 motor gearbox?
Common filaments such as PLA, PETG, and ABS appear in many builds, but the author's page may list a preferred material. Check the model notes for wall thickness, infill, and whether the gears need bearings or metal shafts.
What should I check before printing a 775 motor gearbox?
Review the size, number of parts, assembly steps, and whether supports are needed. Look at photos of real prints and the author's listed material and printer settings.

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