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STL Adapters: Pool Hoses, Pipe Threads and Rain Barrels

This collection gathers STL files for adapters and connectors that join hoses, pipes and threaded ports, mostly in pool, garden and workshop setups. Diameters in the titles run from small inch sizes up to 33 mm and beyond, which helps when a stock part does not match what you already own. Every listing is an author's model, so the details needed for 3D printing come from that page. 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 · 48 modèles sur 3 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 15/10/2026

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«STL Adapters: Pool Hoses, Pipe Threads and Rain Barrels»

Pool parts make up a large share: hose connectors for 32 and 38 mm lines, splitters that turn one outlet into two, skimmer elbows and pump adapters. A second group covers pipe threads and couplers, including NPT and BSP fittings and PVC connectors in half-inch and larger sizes. There are also adapters for shop vacuums and dust collectors, plus rain collector and rain barrel inlets and outlets. The groups differ mainly in what they join — a smooth hose, a threaded port or a rigid pipe — and in the diameter range they cover.

Before printing, measure the part you want to join: outer and inner diameter, thread pitch, and whether the thread is tapered or straight, since inch and metric threads do not interchange. On the model page, check the number of parts, whether the author expects supports, and the material and settings listed; parts that stay outdoors in water often call for a filament that handles UV and moisture. Photos of real prints and any notes about scaling help you judge how the model behaves after printing.

Searching works better with a measurement than with a product name. Try terms such as hose adapter, reducer, coupler, thread adapter, camlock or skimmer, and add the diameter in both millimetres and inches. Related topics lead to further results: pool maintenance, rainwater harvesting, dust collection and garden irrigation all use the same family of fittings.

If a model is close but not exact, look for a version with a different diameter or a step-down design before giving up on the search. Adding the thread standard, the hose type or the word "adapter" to the query narrows the list quickly. Saving a few candidates and comparing their dimensions side by side is faster than opening each one twice.

FAQ

Questions fréquentes

How do I work out which adapter diameter I need?
Measure the outer diameter of the hose and the inner diameter of the port you want to connect, then convert between inches and millimetres. Titles often give one unit only, so compare the number on the model page with your own measurement.
Which filament should I use for parts that touch water?
PLA is easy to print but softens in hot water and degrades outdoors, so authors often list PETG, ABS or ASA for wet and sun-exposed parts. Check the material note and any print settings on the model page.
Do threaded adapters need supports?
It depends on the orientation the author chose. Threads printed on their side often need supports that must be cleaned out afterwards, while a vertical orientation may avoid them; the model page and photos usually show which approach was used.
Why do some titles use inches and others millimetres?
Pool, plumbing and vacuum hardware is sold under different regional standards, so authors label parts in the unit common for that fitting. Convert before comparing, and check whether the thread is NPT or BSP, as the two do not match.
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