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3D Models for Motor Impellers and Propellers

This collection gathers STL files for motor impellers, propellers, water pump parts, and ducted fan rotors. It helps you compare geometry, shaft fit, and assembly before slicing for a 3D printer. Some designs are small DC-motor propellers, while others are larger pump or turbine components. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.

Una raccolta di Polyzon · 47 modelli da 3 siti

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Polyzon compone questa raccolta a partire dai risultati di ricerca dei siti collegati. I doppioni e i modelli senza anteprima vengono rimossi, le corrispondenze deboli finiscono in fondo e il resto mantiene l’ordine dei risultati. I modelli appartengono ai rispettivi autori: verifica le condizioni sulla pagina di ciascun modello.

Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 14/10/2026

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«3D Models for Motor Impellers and Propellers»

The parts vary by blade count, hub shape, shaft mounting, and whether they move air or water. Some are single printed pieces, while others belong to a larger assembly with a housing or motor mount. Small motor-mounted rotors and larger pump or fan wheels appear side by side, so scale is the first difference to notice.

When choosing a model, check the shaft diameter, hub bore, outer diameter, blade pitch, and rotation direction. Look at the author's page for the number of parts, assembly notes, required supports, and the material and settings listed. Photos of real prints can show how thin the blades are and where they may need extra care.

To refine the search, try synonyms such as rotor, fan, impeller, propeller, pump wheel, EDF rotor, and waterjet. Add the motor size, shaft diameter, or intended medium, for example air, water, or cooling. Related topics include RC boat drives, ducted fans, wind turbines, and small DC motor projects.

FAQ

Domande frequenti

What measurements matter when matching an impeller to a motor?
The shaft diameter, hub bore, mounting pattern, outer diameter, and rotation direction are the main ones. Compare those with the dimensions and notes on the author's model page.
Do impellers and propellers need supports when printed?
It depends on the blade angle, overhangs, and print orientation. The model page and photos of real prints often show how the author oriented the part.
Which materials are used for motor impellers?
Authors often list the material and settings they used, such as PLA, PETG, ABS, or nylon. Check those notes against the heat, load, and medium in your setup.
How can I find similar models?
Search for rotor, fan, pump impeller, ducted fan, waterjet, or turbine, and add the motor size or shaft diameter. Related terms like cooling fan or RC boat drive can also lead to matching parts.
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