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Bottle Pump Adapter STL Models for 3D Printing

This collection gathers 3D models for adapters that join a pump, funnel or cap to a bottle neck. It covers threaded caps for common PET bottles, push-on pump adapters, funnels and holder-style brackets, all shared as STL files for 3D printing. It is useful when two openings do not match and you need a part that bridges them. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.

Una colección de Polyzon · 48 modelos de 4 plataformas

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Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.

Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 10/10/2026

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«Bottle Pump Adapter STL Models for 3D Printing»

Threaded caps form one large group: models that screw onto a bottle neck and add a hose barb, a pump thread or a cone. Push-on and clamp versions sit next to them, using a tapered or slotted body instead of a thread. A third group is bracket-shaped, such as cup holders, handlebar inserts and twist-lock clamps that hold a bottle or a device rather than seal it. These designs differ in how they grip, so the choice depends on whether you need a seal or just a fixed position.

Before printing, read the author's page for the neck diameter and thread pitch the model was drawn around, since bottle standards vary by region and drink type. Check how many parts are involved, whether supports are needed, and which material and settings the author lists, for example a rigid filament for a thread and a flexible one for a sleeve. Photos of real prints show how the thread engages and where the walls thin out.

If the results are thin, try synonyms: pump adapter, bottle cap adapter, hose connector, funnel, threaded insert, or the bottle standard you have. Related searches such as cup holder, clamp, mount and reducer often surface parts that do the same job. Adding the pump type or the bottle volume to the query narrows the list further.

FAQ

Preguntas frecuentes

What measurements do I need before printing a bottle pump adapter?
The inner diameter of the bottle neck and its thread pitch, plus the outer diameter of the pump or hose connection. Measure both openings instead of relying on the bottle's nominal volume.
Can one adapter cover several bottle types?
Some models are drawn with a tapered or stepped body that grips a range of necks, but a thread matches one standard. Compare the dimensions on the model page with the bottles you actually use.
Which material works for a bottle adapter?
Rigid filaments hold a printed thread better, while flexible ones grip a smooth neck and close small gaps. The author's notes usually state what the model was drawn and tested around.
Why does a printed adapter leak at the thread?
Printed threads often need a gasket or a thicker wall to seal. Check layer height and flow settings, and consider adding a printed or cut gasket between the surfaces.
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