
STL Caps: Protective Covers and End Caps
This collection gathers STL files for caps and protective covers used in everyday repairs, workshops, and small equipment. It covers tube plugs, fastener covers, generator-based cap shapes, and small protective parts. Use it when a missing or worn cap needs a replacement that can be made on a 3D printer. 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 14/10/2026
Par où commencer
Tous les modèles de cette collection

Колпачки для ниппелей в авто с обо...

Medi box

Plastic nut caps

Elegoo Centauri Carbon - Z Rod Performance Grease Port Bushing Caps

Silicone Cartridge Cap

Колпачки с указанием местоположения...

Cap hook, organise your caps

End Caps for V-Slot

Protective Covers for MC4 Solar Panel Connectors (plugs, caps, moisture, water, dust)

Hole Screw Cover Cap Generator

Колпачки для ниппелей с указанием г...

Insulating caps for cable lugs

Plastic nut caps

Needle / Syringe Caps

Screw Head Caps (Hide Screws)

Полукруглая гайка колпачковая для ш...

Fiber optic caps 1,25mm (kit card)

Battery Indicator Caps

Torx Caps

Custom End Cap generator for Square rectangle tube

Защитные колпачки на клеммы автомоб...

pole end caps

Batman spinner caps

Key ID Caps for Kwikset, Schlage and MinuteKey Key Blanks

Plug Generator – Parametric Caps, Plugs & Inserts

Колпачки для ключей с цифрами 1-5 и...

CS:GO keycaps
Dished Fidget Spinner Caps

LiPo Battery Caps

Universal Parametric Hole Plugs (5 - 30 mm)

Колпачки на ниппель Бетмен

Gas cylinders, caps, and holders for screwing on
Screw Caps

XT60/LiPo Caps/Covers Set (Full, Half, Empty, Storage)

Helmet Cap-America Inspired

Колпачки кондиционера

Parametric Plastic Nut Caps

Universal Toilet Bolt Caps (No Supports)

Deer Head Bottle Pourer Cap

Колпачки на колесные болты (17)

Compact pills containers. 3 sizes, 2 caps
Fidget Spinner 608 Bearing caps

BRAILLE ALPHABET - Keyboard Caps

dummy 13 cap
«STL Caps: Protective Covers and End Caps»
The models range from simple push-on covers to threaded or snap-on caps and multi-part assemblies. Some are designed for tubes, cables, or connectors, while others hide screw heads, cover nuts, or protect small optical and battery parts. Generator-style files let you adjust basic dimensions, so the resulting cap can differ in wall thickness and dimensions from a fixed model.
When choosing a cap, look at the dimensions and scale on the author's model page, the number of separate parts, and whether the file needs supports. Check the material and print settings the author lists, since a flexible cap and a rigid cover may call for different filaments and layer heights. Photos of real prints help you judge surface finish and how the cap meets the part it covers.
To narrow the search, try terms such as end cap, plug, cover, screw cap, nut cap, or protective cap, and add the object they touch, like tube, cable, connector, or valve. Related searches include hole cover, thread protector, dust plug, and custom cap generator. If the exact shape is missing, a parametric cap model or a simple primitive in a CAD tool can be adapted to the measured dimensions.
Questions fréquentes
What is the difference between a cap and a plug in 3D printing?
How do I measure a part for a replacement cap?
Do cap models need supports?
Can I resize a cap model?
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