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3D Models of Impellers and Fan Rotors

This collection gathers STL files for impellers used in fans, pumps, turbines and small aircraft. You can compare how different designs handle blades, hubs and mounting. It helps when a replacement part or a custom rotor is needed for a 3D printer project. 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。

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月12日

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«3D Models of Impellers and Fan Rotors»

Impeller models range from open fan blades and blower wheels to closed pump rotors and turbine-like compressor stages. Some are modeled after parts for household or workshop equipment, while others are parametric shapes meant to be adjusted in CAD. Drone and RC versions often use lighter hubs and specific mounting patterns, whereas pump impellers focus on vane geometry and a central bore.

Before printing, check the author's notes for overall diameter, hub bore, blade count and whether the model is split into several parts. Look at the listed material and layer height, and review photos of real prints to judge surface finish and balance. For moving parts, confirm clearances and how the impeller will attach to a shaft or motor.

Search terms can be broadened with synonyms such as rotor, propeller, fan wheel or centrifugal stage. Related topics include ducted fans, water pumps, air blowers, drone propulsion and parametric turbine designs. Combining a use case with a part name usually narrows results more than a single generic word.

FAQ

よくある質問

What is an impeller 3D model used for?
It is a rotating part that moves air or liquid in fans, pumps, blowers and small turbines. The model file defines the blades, hub and mounting features.
How do I choose the right impeller model?
Start with the required diameter, bore size and mounting pattern. Then compare blade count, vane shape and the number of separate parts.
Can an impeller be printed in one piece?
Some designs are a single mesh, while others are split for easier printing or assembly. Check the author's part list and orientation notes.
What search terms help find similar models?
Try rotor, fan wheel, propeller, blower wheel, pump impeller or centrifugal impeller. Adding the device type, such as drone, pump or ventilation, can refine the results.
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