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25 mm Buckle STL Models for Straps and Webbing

This collection gathers 25 mm buckle models for 3D printing: side-release and quick-release closures, ladder locks, strap adjusters, belt buckles and repair buckles for backpack straps. It is useful when a strap closure has broken or when you want to size hardware to the webbing you already have. Each listing is an STL or similar file made by its author, so the details differ from one model to the next. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 15/10/2026


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À propos de la catégorie

«25 mm Buckle STL Models for Straps and Webbing»

Most entries are webbing hardware, and they differ mainly in how the strap is threaded and locked. A ladder lock grips the webbing by friction as it passes through two slots, while a side-release buckle closes with two prongs and opens with a squeeze. Some models take webbing on one face, others on both, and a few are shaped so the latch and slots print without extra support material.

When choosing a model, start with the stated strap width and the internal slot dimensions, since a buckle labelled 25 mm is sized for webbing of roughly that nominal width and small differences affect how it holds. Look at the number of parts, whether the pin or hinge is printed separately, and how the author describes assembly. On the model page, read the material and print settings the author lists, and look at photos of real prints to judge how the latch and slots came out.

If the results feel too narrow, try related terms such as side-release buckle, ladder lock, strap adjuster, webbing keeper or repair buckle. Searching by the item the strap belongs to, like backpack, belt, sling or handle, or by the mechanism, like quick release, tensioning or double-sided, brings up different sets. Models made for other widths, such as 20 mm or 30 mm, can be scaled, but the wall thickness of the latch changes with the scale.

FAQ

Questions fréquentes

What does 25 mm mean on a buckle model?
It usually refers to the nominal width of the webbing the buckle is made for. Check the slot dimensions on the model page, because both printed parts and fabric vary slightly.
Do these buckles need supports?
It depends on the model. Some are shaped so the latch and slots print without supports, while others list supports in the print settings. The author's page usually states the orientation that was used.
Which material works for a buckle?
Authors often list PLA, PETG or a tougher filament for parts that flex. The choice depends on how much load the buckle takes and how far the latch has to bend.
How do I find a buckle for a different strap width?
Search by the width in millimetres, or by the item the strap belongs to, such as a backpack, belt or sling. Related terms like ladder lock, side-release or strap adjuster return different mechanisms.

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