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Transmission 3D Models: Gearboxes and Drivetrain STL

This collection gathers transmission 3D models for 3D printing, from manual gearboxes and automatic units to planetary reducers and transmission towers. You will also find scale engine-and-gearbox assemblies and diorama parts. Use it to compare mechanisms before you choose a file to print. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

Polyzonのコレクション · モデル48件 4サイトから収集

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月13日

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«Transmission 3D Models: Gearboxes and Drivetrain STL»

Manual gearbox models often show gear trains and selector mechanisms, while automatic and continuously variable units focus on housings, belts or planetary sets. Engine-and-gearbox assemblies combine a block with a gearbox and are usually larger, multi-part builds. Planetary reducers and transmission towers are simpler mechanical studies that show how torque and motion are redirected.

On the author's model page, check the listed size and scale, the number of parts, and whether the design needs supports. Look at photos of real prints to judge clearances and moving joints. The material and settings the author lists can help you decide how to slice the parts.

Try related terms such as gearbox, drivetrain, reducer, differential or clutch to widen the results. If you want a specific mechanism, search for the type of gear set or the vehicle class rather than a single model name. Combining a part name with a scale or assembly term can narrow the list.

FAQ

よくある質問

What types of transmission models can I find?
The collection includes manual gearboxes, automatic and continuously variable units, planetary reducers, transmission towers, and engine-and-gearbox assemblies.
How do I choose a transmission model to print?
Check the model page for size, part count, assembly steps, and whether supports are needed. Photos of printed versions help you see how the mechanism fits together.
Can these models be scaled?
Some files are designed for a particular scale, while others can be resized in the slicer. Resizing may affect clearances and moving parts, so test the fit before printing the full assembly.
What search terms help find related models?
Try gearbox, drivetrain, reducer, differential, clutch, or engine assembly. Adding a mechanism type or a vehicle class can refine the results.
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