
3D models for aerator and protective grilles
The collection gathers STL files for protective grilles and aerator covers used in rooms, vehicles and equipment. You will find ventilation grids, fan guards, speaker covers and mesh-backed window panels. It helps when a ready-made cover does not match the opening you need to close. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.
Cómo se elabora esta colección
Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.
Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 12/10/2026
Por dónde empezar
Todos los modelos de esta colección
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Ventilation grid for motorhome

Closable grille aerator for enclosure

8" Fan Intake Guard / Protective Grille

GRILLE AERATION FENETRE ANTI INTRUSION INSECTE
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Support telephone voiture pour grille d aeration - Clip

protective speaker grille

Protective grille for fan

Grille aeration 250x150 mm

4-Inch Exhaust Vent Grille with Protective Mesh

grille aeration

Customizable Fan Grille

Protective grille car Voyah Free

Motorcycle protective grille

Air duct protective grille Ø70 mm
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Auxiliary Radiator Protective Grille BMW M5 F90 2018–2024 (17118742470 / 8742470)

Parametric fan grille
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Защитная решетка Ø115 мм

Grille (protective cover) for 3" speaker

Protective grille 10 inches for speaker, speaker height up to 3.5 cm

grille aeration

Protective Grille compatible with Dayton Audio ND20FA Tweeter

grille d'aération 503400 aeration grid

Protective grille speakers SVEN MA230
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Аэрационная решетка GOT Religion des Sept Ø124 мм (отверстие для заполнения)

Vacuum cleaner attachment with protective grille

Speaker cover / protective grille for 8cm (3.3") speakers

Sovol SV06+ SV06 Plus Schutzgitter Hotendlüfter / protective grille hotend fan

grille d'aération 503401 aeration grid

120mm PC Case Fan Snap-On Protective Grill

Grille aération pour fourgon MegaMobil Fiat Ducato

Grille de ventilation

Grille d'aération ronde Ø100 mm

Grille d'aération extérieur diamètre 100

Grille de bouche d'aération
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Вентиляционная решетка террариума
Speaker grill

Grille d'aération terrarium

Grille aération diamètre inter 120 mm

Grille d'aération 200x200

Grille d'aération circulaire double face autoclip

JBL Flip 3 Speaker Cover

Grille d'aération pvc 40mm event wc

Grille d'aération nicoll 150

Grille d'aération de VMC
«3D models for aerator and protective grilles»
The models differ mainly in what they protect and how they mount. Flat louvre grids cover wall and duct openings, fan guards sit over a spinning blade, and speaker grilles are shaped around a driver and its frame. Some files are single pieces, while others combine a frame with a separate mesh insert or a closable flap.
Before printing, compare the outer dimensions and the mounting hole spacing on the model page with the opening you measured. Check whether the author lists supports, the number of parts, and the material and settings used for a real print; photos of finished pieces show how the slats and mesh come out. Thin bars and fine mesh need a small nozzle and a well-tuned first layer, while outdoor covers are usually printed in a weather-resistant filament.
Search results widen if you try other names for the same object: vent cover, air vent, intake guard, fan cover, louvre, mesh grille or radiator guard. Adding a size, a device or a place to the query, such as a duct diameter or a room type, narrows the list. Related topics worth checking are insect screens, duct adapters and speaker covers, which often appear under the same terms.
Preguntas frecuentes
How do I choose a grille that fits my opening?
Do protective grilles need supports when printed?
Which material is used for outdoor vent grilles?
Can I resize a grille model?
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