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Air Intake 3D Models: STL Files for Ducts and Scoops

This collection gathers 3D models built around moving air: car scoops and intake tubes, hose and pipe adapters, fan shrouds, and scale parts for RC bodies. They differ mainly in scale and in how they connect, so a quick look at dimensions matters more than the shape. It is a useful starting point if you already know the opening or thread size you need for 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.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Une collection Polyzon · 47 modèles sur 4 plateformes

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 13/10/2026

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«Air Intake 3D Models: STL Files for Ducts and Scoops»

The models fall into a few groups. Full-size automotive parts include bonnet scoops, intake tubes and airbox plenums that route air toward an engine. Smaller groups cover scale intakes and covers for RC cars and nitro motors, adapters that join a grille or vent to a pipe, and shrouds or covers that sit over a fan on a miner or a printer hot end. The main differences are the connection type, the diameter, and whether the part actually channels air or only closes off an opening.

Before printing, read the author's page for the thread standard or hose diameter, the wall thickness, and whether the part is split into sections for assembly. Check whether supports are needed and where the overhangs sit, since scoops and elbows often print better in a chosen orientation. Look at the material the author lists and at photos of real prints, because parts near an engine bay see more heat than a vent cover indoors.

If the first results are thin, try other names for the same idea: air scoop, cold air intake, duct adapter, hose barb, fan shroud, vent cover. Related terms such as plenum, elbow coupler, bonnet vent or blower housing often surface neighbouring designs. Adding a size or a thread type to the query narrows the list faster than adding a car brand.

FAQ

Questions fréquentes

What does the 1/4 in air intake models usually refer to?
It normally points to a thread or hose size, such as a pipe thread or a barbed fitting. The exact standard is worth confirming on the author's page, since similar numbers are used for different systems.
Which filament works for intake parts?
Indoor duct and vent pieces are often printed in common filaments, while parts that sit near an engine or a hot end are usually made in materials with higher heat resistance. The author's notes usually name a material and settings.
Do intake models need supports?
It depends on the overhangs. Many scoops and adapters are designed to print flat or in two halves, while round tubes and elbows may need supports or a different orientation.
How do I match a part to my car or RC model?
Measure the opening or thread you are connecting to, then compare it with the dimensions listed for the model. For RC bodies, the scale stated in the title is the first thing to check.
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