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13-Inch Propeller 3D Models and STL Files

This collection gathers STL files for 13-inch propellers, from drone and RC aircraft designs to scale model and boat versions. You will find parametric generators, folding and multi-blade propellers, as well as duct guards and motor-specific mounts. It helps you compare shapes and sizes before starting a 3D printing 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.

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Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 13/10/2026

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«13-Inch Propeller 3D Models and STL Files»

Propellers in this size range appear for several uses: multirotor drones, fixed-wing RC planes, boats, and scale models. Drone propellers often come with two, three, or more blades and may be designed for specific motor sizes, while scale versions prioritize appearance over aerodynamics. Parametric designs let you adjust blade count, diameter, and pitch, and folding propellers are made for motor gliders or applications where space is tight.

Before printing, check the author's page for the intended diameter, pitch, and number of blades, as these determine thrust and fit. Look at whether the model needs supports, how many parts it has, and if assembly or balancing is required. The material and settings the author lists matter, because thin blades can behave differently in various filaments, and photos of real prints show how the propeller looks after printing.

To narrow results, try synonyms like 'prop', 'rotor', 'blade', or 'impeller', and combine them with size terms such as '13 inch' or '330 mm'. Related topics include duct guards, motor mounts, and spinner cones. You can also search by platform or use case, for example 'FPV propeller' or 'boat propeller STL'.

FAQ

Domande frequenti

What do the numbers on a propeller size mean?
The first number is usually the diameter in inches, and the second is the pitch, which indicates how far the propeller would move forward in one revolution in theory. A 13-inch propeller has a 13-inch diameter.
Can I scale a 13-inch propeller model up or down?
You can scale a model in your slicer, but the blade shape and thickness may not perform the same at a different size. For functional use, it is better to look for a design made for your target diameter.
What materials are used for 3D printed propellers?
Common choices include PLA, PETG, and nylon, but the author's page usually lists the material they used. For thin or high-stress blades, some materials may need more careful settings.
How do I find a propeller for a specific motor?
Search for the motor size or shaft diameter along with 'propeller' or 'prop'. Many models include mounting hole dimensions in their description or photos.
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