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3D Models for Watering: Caps, Funnels, Spouts

This collection gathers 3D models that turn everyday containers into watering tools: screw-on caps, spouts, funnels, sprinkler heads and slow-release devices for indoor plants. Most of them are small parts, so they fit a modest build volume and print quickly. It is a practical starting point if you want to repair a broken watering can or adapt a bottle you already have. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月13日

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«3D Models for Watering: Caps, Funnels, Spouts»

The models fall into a few groups. Caps and spouts are threaded to match common bottle necks and replace a lost or awkward lid. Funnels range from simple cones to shapes with a wider mouth or a flattened side for tight pots. Sprinkler heads and nozzles sit on top of a can or bottle and spread the stream, while self-watering sticks and bulbs release moisture slowly into the soil.

When choosing a model, read the author's page rather than the thumbnail. Check the thread diameter and pitch against the container you plan to use, the wall thickness around the thread, and whether the part is printed as one piece or assembled from several. Look at the material and settings the author lists: parts that hold water or sit in sunlight behave differently in different filaments, and thin threaded walls often need more perimeters. Photos of real prints show how the thread engaged and whether the surface came out clean.

To narrow the results, try the words people use for the same object: watering can, sprinkler, nozzle, spout, funnel, bottle cap, drip, self-watering. Combine them with the container or the place — PET bottle, soda bottle, indoor plants, flower pot, garden bed, balcony. Related topics such as planters, pot saucers, drip irrigation fittings and garden hose adapters often lead to parts that work alongside these models.

FAQ

よくある質問

What do I need to check before printing a threaded cap or spout?
Compare the thread diameter and pitch on the model page with the neck of your own container, and note how many perimeters the author used. A small difference in diameter is often enough to make the part loose or impossible to screw on.
Which filament works for parts that stay wet?
The author's page usually states the material the model was designed around. Parts kept in contact with water and soil are commonly printed in PETG or ASA rather than a material that softens in warm water.
Can these models be scaled?
Scaling changes the thread as well as the body, so a scaled cap may no longer fit its bottle. If you need another size, look for a version made for that container instead of resizing a threaded part.
How do I find a model for a specific bottle or can?
Search by the container type and the part name together, for example bottle cap or watering can spout. If nothing matches exactly, funnels and non-threaded spouts are easier to adapt to whatever you have.
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