Home & household

Hose Connectors for Water: 3D Models and STL

This collection gathers 3D models of connectors for water and garden hoses: quick couplings, threaded adapters, splitters and fittings for rain barrels. Most of them are small parts meant for 3D printing on a home 3D printer, often as a repair or an addition to an existing hose line. The variety comes from the many thread standards and hose diameters in use. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 47 models from 4 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-12

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About the category

«Hose Connectors for Water: 3D Models and STL»

The models fall into a few groups. Quick couplings connect and disconnect a hose without tools, while threaded adapters and reducers link a thread such as G1/2, G3/4 or M22 to a hose or tube of a given diameter. Splitters divide one outlet into two or more lines, and barrel fittings handle the inlet or outlet of a rain collector. Tubing joiners cover smaller diameters and are often used to repair or extend a line.

When choosing a model, read the author's page for the exact thread type and pitch, the hose inner and outer diameter, and the wall thickness around the thread. Check which material and settings the author lists, since parts kept outdoors behave differently from parts used indoors, and look at photos of real prints to judge how the threads came out. Orientation on the build plate and the number of perimeters affect how well a printed thread holds.

To narrow the search, try synonyms and related terms: quick connector, quick coupling, hose coupler, joiner, adapter, reducer, Y-splitter, tap adapter, rain barrel or water butt fitting. Adding a thread size or a hose diameter to the query usually helps more than a general phrase. Related topics worth trying are drip irrigation fittings, hose repair, and tubing connectors for aquariums or pumps.

FAQ

Frequently asked questions

Which thread sizes appear in hose connector models?
Common ones are G1/2, G3/4 and M22, along with metric and imperial sizes for tubing. The thread is usually stated in the title or description, so match it to your tap or hose before printing.
What material works for a printed hose connector?
PLA is often used for dry indoor parts, while PETG or ASA are common choices for parts that stay outdoors or see pressure. The author's page usually names a material and settings, and it is worth following them.
How can a printed connector be made watertight?
Thicker walls and more perimeters reduce leakage through the shell. Where the design has a groove, a rubber O-ring or a flat gasket does most of the sealing, and the thread itself should be printed cleanly.
How do I find a connector for my hose diameter?
Search by the inner diameter of the hose together with the thread you need, for example a 1/2 inch hose with a G3/4 thread. If nothing matches exactly, an adapter or reducer between two standard sizes is the usual way around it.
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