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Water Jet 3D Models: Drives, Pumps and Pool Jets

This collection gathers 3D printing files built around moving water: jet units for model boats, pump housings, and fittings that spray or circulate water in pools and gardens. It is useful if you want to see how different makers solve the same problem of pushing water through a narrow channel. Most entries are meant for a 3D printer that handles moderate detail rather than very fine miniatures. 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10日

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«Water Jet 3D Models: Drives, Pumps and Pool Jets»

The models fall into two rough groups. One covers units that push a hull forward, from compact drives for small radio-controlled boats to larger assemblies that include a reversing bucket or steering nozzle. The other covers jets that move water for its own sake: pool fittings, fountain heads and sprinkler parts that thread onto a hose, a pipe or a rail.

On the author's page, look first at the stated scale and at the intake and outlet diameter, because those set which hull or pipe the unit can serve. Check how many parts are involved and whether they are glued, screwed or printed as one piece, and note whether the photos show supports in use. The material and settings the author lists tell you what the geometry expects, and images of real prints reveal how the internal passages came out.

Search terms vary a lot for the same object, so try jet drive, pump jet, impeller housing, axial flow unit or reversing nozzle. For pool and garden parts, sprinkler, fountain nozzle and threaded fitting are useful alternatives, and adding the thread size helps if you know it. Related topics such as boat hulls, impellers and drive shafts often appear next to these units and are worth browsing as well.

FAQ

よくある質問

What is the difference between a jet drive and a pump jet?
The terms overlap. A jet drive usually means the complete unit that takes water in and pushes it out at speed, while a pump jet often refers to the pump section itself, sometimes published as a separate housing and impeller.
Do these models need supports?
It depends on the shape. Internal passages and overhanging inlets often do, while parts split into halves may not. The author's photos usually show how the piece was oriented on the plate.
Which filament do makers use for parts that touch water?
Authors commonly list PETG, ABS or ASA along with layer height and wall count. Read that section on the model page instead of assuming a default, since the choice affects stiffness and how the surfaces finish.
Can a jet unit be scaled up or down?
Scaling changes wall thickness and the clearance between moving parts, so a resized version may need edits. Look for a variant the author has already drawn at the size you need.
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