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3D Printed Oil Funnels: STL Models for Refills

This collection gathers 3D printing models for oil funnels, from threaded refill tools to vented designs and adapters for bottles and containers. Most of them are small parts that a desktop 3D printer can produce in one piece. It helps when a filler neck on a motorcycle or car is awkward to reach with a standard funnel. 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 · 48 modelli da 3 siti

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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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«3D Printed Oil Funnels: STL Models for Refills»

Threaded funnels are shaped to screw onto a filler neck, so the thread and its pitch define the part. Plain tapered funnels are simpler and rely on a wide mouth to catch the pour, while vented versions add an air channel so the liquid runs without gurgling. Some files are drawn around a particular engine family, and others are adapters that clip onto a bottle or a can.

Before printing, read the author's notes on thread size, opening diameter and wall thickness, and compare them with the filler neck you have. Check how many parts the model contains, whether supports are needed, and which material and settings the author lists. Photos of real prints show how the thread engages and where the model may need scaling.

If the results are thin, try other names for the same object: oil filler funnel, refill funnel, transmission or coolant funnel, bottle adapter, vented funnel. Related searches such as oil filter removal tools, drain pans and motorcycle maintenance bring up parts used in the same job. Adding the engine family or the thread type to the query narrows the list further.

FAQ

Domande frequenti

What thread size should I look for in a funnel model?
The thread is usually stated in the model title or description, and it has to match the filler neck or the cap you remove. Measure the opening or check the cap before choosing a file.
Do 3D printed funnels need supports?
It depends on the overhangs in the model and the orientation the author recommends. Many designs are drawn to print without them, but read the notes and look at the photos before you slice.
Which filament works for a funnel that sees hot oil?
Look at the temperature the author mentions and compare it with the heat resistance of the filament you plan to use. Standard PLA softens at lower temperatures than PETG, ABS or ASA, so the choice matters.
Can I scale a funnel model to fit my filler neck?
Scaling changes the thread as well as the body, so a scaled thread may no longer grip. If the author gives a thread specification, it is better to pick a model that already matches it.
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