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Car Funnels: 3D Models and STL Files for 3D Printing

This collection gathers 3D models of funnels used around a car: for engine oil, washer fluid, and filler spouts that sit deep in the engine bay. Some entries are fixed shapes, others are parametric and can be resized before slicing. It is useful when a store-bought funnel does not fit the space you have, and you would rather print an STL matched to your own bottle or neck. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

O texto desta coleção está em inglês; a busca funciona em qualquer idioma.

Uma coleção do Polyzon · 48 modelos de 5 sites

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O Polyzon monta esta coleção a partir dos resultados de busca dos sites conectados. Repetições e modelos sem prévia são removidos, correspondências fracas vão para o final e o restante segue a ordem da busca. Os modelos pertencem aos seus autores — confira os termos na página de cada modelo.

Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 12/10/2026

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«Car Funnels: 3D Models and STL Files for 3D Printing»

The models fall into a few groups. Oil funnels often have a wider mouth and a longer neck so the pour point clears nearby parts. Washer-fluid funnels tend to be shorter and wider, sometimes shaped to sit on a reservoir opening. A separate group is built around tight access, where the funnel is angled or narrowed to reach a recessed spout. There are also parametric designs meant to be edited in a script, and small air funnels for directing airflow over a fan.

When choosing, open the model page and read what the author lists. Check the inner diameter at the tip and the outer diameter at the mouth against the opening you need, then look at wall thickness, since a thin wall may flex under the weight of liquid. See whether the model is one piece or splits for assembly, whether it needs supports, and which material and settings the author used. Photos of real prints show how the surface came out and whether the part stayed round.

To narrow the search, try words that describe the task rather than the object: pouring oil, topping up washer fluid, refilling from a bottle, or reaching a filler neck behind the engine. Related terms such as filler, spout, nozzle, adapter, and thread help, as do names of the fluid itself. If you need a specific fit, add parametric, custom, or the thread size you measured, and look at the model's editability rather than its shape alone.

FAQ

Perguntas frequentes

What should I measure before printing a car funnel?
Measure the opening you pour into and the neck of the bottle you pour from, then compare both with the diameters the author lists. Wall thickness and overall length matter too, since they decide whether the funnel reaches the spout without tipping.
Which material works for a funnel that carries oil or washer fluid?
It depends on the fluid and the temperature it reaches. Look at the material the author names on the model page and at what your printer handles well, then decide whether a single print or a split version suits your setup.
Can I change the size of a parametric funnel model?
Yes, parametric models are built so dimensions can be edited before export. You change the values in the source file, regenerate the mesh, and then slice it as usual, which helps when a standard size does not match.
Do these funnels need supports when printed?
It varies by shape. Wide, open cones usually print without them, while angled or narrow necks may need support under an overhang. The model page and the print photos are the quickest way to see how others handled it.
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