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3/4-Inch Fitting 3D Models and STL Files

This collection gathers 3D models for 3/4-inch fittings used in hose, pipe and printer setups. It covers barbed adapters, threaded reducers, compression parts and PTFE quick fittings. Use it to find an STL that matches the thread, hose size and assembly you are working with. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月11日

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«3/4-Inch Fitting 3D Models and STL Files»

The models fall into several groups: garden hose and barbed adapters, threaded pipe adapters and reducers, compression and straight fittings, and printer-related PTFE or pressure fittings. They differ by connection type, thread standard and the way the hose or tube is retained. Some designs are single parts, while others combine a thread, a barb and a nut or sleeve.

When choosing a model, check the thread standard and size on the author's page, along with the hose or tube diameter. Look at the number of parts, how they assemble, and whether the author lists supports, material and print settings. Photos of real prints help you judge thread detail and surface finish before you slice the file.

To refine the search, try synonyms such as hose barb, pipe adapter, reducer, compression fitting, garden hose adapter or quick fitting. Related topics include NPT, BSP, GHT and NH threads, as well as aquarium, irrigation and printer extruder setups. Adding the thread type or hose diameter to the query usually narrows the results.

FAQ

よくある質問

What does 3/4 mean in these fitting models?
It can refer to a nominal thread size, a hose inside diameter or a pipe size, depending on the design. Check the title and the author's notes to see which dimension is meant.
Which thread standards appear in this topic?
Common labels include NPT, BSP, GHT and NH, along with metric and barbed connections. The thread standard determines how the part joins to an existing hose, pipe or adapter.
What should I check before printing a threaded fitting?
Review the thread profile, pitch and diameter, plus any clearance the author mentions. Also check orientation, material and the settings listed on the model page.
How can I find a related adapter or reducer?
Search for terms like pipe adapter, reducer, hose barb or compression fitting. Adding the thread type and diameter to the query helps separate similar designs.
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