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3D Models of Blades, Vanes and Impellers

This collection gathers STL files for blades and impeller-like parts used in 3D printing projects. It includes fan vanes, replica weapon blades, folding mechanisms and utility cutters. Use it to compare shapes, mounting points and assembly before you download. 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 5 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: 12/10/2026

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«3D Models of Blades, Vanes and Impellers»

The models range from aerodynamic fan and cooler impellers to decorative sword blades, hidden-blade mechanisms, scraper inserts and kitchen appliance vanes. Fan parts usually focus on hub geometry and balance, while weapon-inspired pieces often involve multiple segments, pivots or sliding parts. Utility blades tend to be small, flat and shaped around a specific handle or tool.

When choosing a file, check the stated dimensions, scale and number of separate parts, since a blade that looks simple can need pins, screws or a housing to work. Look at the author's notes on layer orientation, supports, infill and material, and review photos of actual prints to judge surface finish and thin edges. For moving or folding designs, confirm how the parts connect and whether any hardware is required.

To narrow the search, try synonyms such as vane, impeller, rotor, propeller, cutter, scraper insert or replacement blade. Related topics include fan ducts, motor mounts, knife handles, folding mechanisms and kitchen appliance spares. Combining a part type with a size or mounting term often brings up more relevant results than a single broad word.

FAQ

Domande frequenti

What is the difference between a blade and an impeller in 3D printing?
A blade is usually a flat cutting or decorative edge, while an impeller or vane moves air or fluid. The terms overlap in fan and appliance parts, so check the model's intended function.
How do I choose the right scale for a blade model?
Compare the listed dimensions with the space where the part will fit, and check whether the file is modeled at 1:1 or another scale. If the model has multiple parts, scale them together to keep joints aligned.
Which materials work for thin blade shapes?
Authors often list the material they used, such as PLA, PETG, ABS or resin. Thin edges and moving parts may behave differently depending on layer height and orientation, so review the print settings on the model page.
Can I resize a folding or hidden blade model?
Resizing can change clearances between pivots, pins and sliding parts. Check the model's construction and test the fit before printing the full assembly.
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