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3D Models of 30 mm Fuel Tank Caps and Plugs

This collection gathers STL files for fuel tank caps, container lids and 30 mm plugs used around small engines, cans and profiles. You can compare thread types, outer diameters and mounting details before opening a model page. It helps when a stock cap is missing or a custom diameter is needed for a 3D printer. 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: 13/10/2026

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«3D Models of 30 mm Fuel Tank Caps and Plugs»

Models range from threaded fuel caps for small engines and power tools to push-on lids for cans and jerrycans, plus 30 mm plugs for tubes, profiles and leveling feet. Some designs include a key, tether or holder, while others are a single body with a gasket groove. The differences lie in thread pitch, bayonet lugs, venting and the number of parts.

On the author's page, check the stated outer diameter, thread size and pitch, and whether the model is split into several parts. Look at the photos of real prints to judge wall thickness, surface finish and how the cap sits on the filler neck. The material and settings the author lists matter because exposure to fuels and weather calls for specific filaments and post-processing.

To narrow results, try synonyms such as gas cap, tank lid, filler cap, jerrycan cap and 30 mm plug, and add the thread or engine family you need. Related searches include cap tether, replacement key, vented cap and container lid. If the exact diameter is uncommon, search by thread standard or by the equipment type rather than by a single dimension.

FAQ

Domande frequenti

How do I choose the right thread for a 3D-printed fuel cap?
Measure the filler neck diameter and thread pitch, then compare those values with the dimensions on the model page. A cap with a matching thread still needs the correct gasket groove and outer diameter.
What files are usually included in these collections?
Most entries are STL files, sometimes with separate parts for the cap body, insert or tether. Check the author's page for the file list and any recommended print orientation.
Can a 30 mm plug be used for a fuel tank cap?
Only if the dimensions and thread match the filler opening; 30 mm often refers to an outer diameter or a profile size. Review the model notes and photos before printing.
Which materials do authors mention for fuel caps?
Authors may list PETG, TPU, ASA or other filaments, depending on the part. The model page usually states the material and settings used for the shown print.
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