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3D Models of Door Locks and Latch Mechanisms

This collection gathers 3D models for door locking hardware: sliding bolts, latch mechanisms, handle assemblies, child locks and smaller key or thumb-turn helpers. Most of these parts are printed in a few pieces and mounted with screws, adhesive strips or existing hardware. It is a useful starting point if you are looking for an STL file to replace a broken latch or to build a mechanism from scratch. 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 11/10/2026


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À propos de la catégorie

«3D Models of Door Locks and Latch Mechanisms»

The models fall into a few groups. Sliding bolts and latches are made for sliding doors and windows, where a bar or cam moves along a track. Latch and handle assemblies reproduce the parts of an interior door lock, sometimes split into several pieces so they fit on a smaller build plate. Child locks for doors, cabinets and drawers use a different approach, usually a strap, catch or rotating block. A smaller group covers motorized and portable locking devices, plus key, thumb-turn and reminder accessories that work alongside an existing lock.

When choosing a model, look at the dimensions the author gives and compare them with the thickness of your door or panel and the spacing of any existing holes. Check how the part is mounted, how many separate pieces it has, and whether the author mentions supports or a particular print orientation. Moving parts such as cams, bolts and catches need clearance, so read the material and settings the author lists and look at photos of real prints before committing to a long job. A small test print of the tightest joint often saves a reprint of the whole assembly.

If the first results do not match what you need, try other names for the same hardware: latch, bolt, hasp, strike plate, deadbolt, cam lock, door handle or window stay. Related searches such as cabinet hardware, drawer catches, door stoppers and keyring reminders often surface parts that a door lock query misses. Adding a location or mechanism word, for example sliding, interior, cabinet or thumb-turn, narrows the list further.

FAQ

Questions fréquentes

What files do door lock models usually include?
Most entries provide one or more STL files for the printed parts, and some authors also include a separate file for a cover, spacer or handle. Where screws, springs or magnets are needed, that is normally described in the model description rather than included in the download.
Do printed latches need extra hardware?
Many designs reuse the screws already in the door or add small screws, springs or magnets to give the mechanism tension. The author's page usually states which parts are required and where they go, so read it before printing.
How do I fix a printed latch that fits too tightly?
Clearance between moving parts depends on your printer and material, so check the tolerances the author suggests and try a small test print of the joint first. Scaling the model slightly or adjusting the slicer's horizontal expansion setting can loosen a tight fit.
Which search terms help find more variants?
Try latch, bolt, hasp, strike plate, cam lock, door handle or window stay instead of lock alone. Pairing a mechanism word with a location, such as sliding, cabinet or interior, usually gives a shorter and more relevant list.

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