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Pipe Fitting STL Models for 3D Printing

This collection gathers STL files for pipe fittings in several categories, from threaded brass-style connectors and PVC elbows to parametric generators. You will find plumbing adapters, multi-way joints and specialty valves that can be adapted to tubing projects. It is a practical starting point for replacement parts on your 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.

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9日

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«Pipe Fitting STL Models for 3D Printing»

The results cover threaded metal-style connectors with MNPT, FNPT or BSP profiles, PVC multi-way joints such as elbows, tees and crosses, plus specialty adapters like ball valves and drain connectors. Some entries are fixed-size parts, while others are parametric scripts that let you adjust diameter and angle before exporting an STL.

Before selecting a model, open the author's model page to confirm the thread standard, nominal pipe size and scale, since fittings are not interchangeable across systems. Verify whether the design requires supports, how many parts need assembly, and which material and layer height the author recommends. Photos of real prints help confirm thread quality and wall thickness.

If the list is too broad, try narrower queries such as PVC elbow, brass nipple, hose barb or BSP adapter. You can also search for plumbing manifold, pneumatic push fitting or irrigation connector to find related geometry.

FAQ

よくある質問

What thread standards appear in pipe fitting models?
Common entries use MNPT, FNPT, BSP or JIS profiles. Always compare the listed thread type to your existing hardware, since incompatible threads will not seal properly.
Can I scale a pipe fitting to match my tubing?
Scaling is possible on some models, but thread pitch and diameter must remain accurate to create a seal. Check if the author provides a parametric version or a table of sizes before resizing.
Why do some pipe fitting STLs include multiple parts?
Complex designs such as ball valves or multi-way tees may be split into separate bodies, caps or pins for easier printing and assembly. Review the part list and any assembly notes on the model page.
What is the difference between a PVC fitting and a brass-style fitting in 3D printed form?
PVC-style joints usually rely on solvent welding or slip fit, while brass-style models replicate threaded metal connectors. The intended connection method determines which geometry you should choose.
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