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Crank Mechanisms and Hand-Crank 3D Models

This collection gathers crank-based 3D models, from simple handles to gear-driven mechanisms and mechanical toys. It helps you find parts for repairs, interactive builds, and small machines. Many entries are designed for 3D printing, so you can inspect the geometry before choosing a file. 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 · 46 modelli da 4 siti

Come è composta questa raccolta

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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Informazioni sulla categoria

«Crank Mechanisms and Hand-Crank 3D Models»

Crank models range from standalone handles and caps to gear trains, rotary mechanisms, and hand-cranked toys. Some are replacement parts shaped around a specific fitting, while others are open mechanisms meant to be turned by hand. Window cranks, tool handles, and decorative crank assemblies appear alongside playful mechanical builds.

Before printing, check the model page for scale, part count, and assembly order. Look at whether the author lists supports, layer height, material, and tolerances for moving joints. Photos of completed prints can show how the crank fits and whether the mechanism turns as intended.

To narrow results, try synonyms such as handle, lever, winch, gear, and rotary mechanism. Related searches include hand crank, crank handle, crank arm, and mechanical toy. Combining a mechanism term with a use case, like window, tool, or toy, can separate functional parts from decorative builds.

FAQ

Domande frequenti

What counts as a crank model in 3D printing?
A crank model is any printable part built around a rotating handle, arm, or axle. It can be a standalone handle, a gear-driven mechanism, or a toy that turns when you rotate the crank.
How do hand cranks differ from gear cranks?
Hand cranks usually transfer motion directly from a grip to a shaft or fitting. Gear cranks add toothed parts, so they change speed, direction, or torque and need more attention to clearances.
What should I check before printing a moving crank mechanism?
Review the author's notes for scale, part count, assembly order, and joint tolerances. Check whether supports are needed and which material and settings the author lists.
Can crank models be scaled up or down?
Scaling changes wall thickness, pin sizes, and clearances, so a working mechanism may stop turning if resized. Check the model page for any scale notes and test the fit before printing the full set.
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