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Antenna Insulators: 3D Models for Wire and Dipole Rigs

This collection gathers 3D models of insulators used in wire antennas, from end pieces that hold a wire away from a support to center blocks for dipoles. Most files are small and print quickly, which makes them a practical starting point for antenna building with a 3D printer. You can also find strain parts for guy lines and holders for beam elements. 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

«Antenna Insulators: 3D Models for Wire and Dipole Rigs»

The models fall into a few groups. End insulators sit at the far end of a wire and take the pull of a rope or mast, while center blocks join the two halves of a dipole and often carry the feed connection. Strain insulators work on guy lines and support ropes, element holders keep beam tubing in place, and some files reproduce the ribbed look of older ceramic pieces.

When choosing a file, look at the hole diameter and groove depth first, since they have to match your wire gauge and rope. Check the wall thickness and how the part is oriented on the plate, because a thin wall printed flat behaves differently from one printed upright. Material matters outdoors: many builders use PETG, ASA or nylon rather than PLA for parts left in sun and rain, and the author's page usually lists the material and settings used. Photos of real prints and any notes about supports help you judge how the part will come off the plate.

If the results look thin, try other terms for the same idea: strain insulator, feedpoint block, isolator bushing, guy line separator, standoff, or wire end holder. Related searches such as antenna mounts, mast brackets, balun housings and wire winders often turn up parts that fit alongside these insulators. Adding the band or antenna type, for example a dipole, a long wire or a beam, narrows the list further.

FAQ

Questions fréquentes

What does an antenna insulator actually do?
It keeps the conductive wire away from a mast, rope or other support so the antenna is not shorted or detuned by contact. On a dipole it also separates the two legs and holds the feedpoint.
Which filament should I use for an outdoor insulator?
Parts exposed to sun and rain are usually printed in PETG, ASA or a nylon blend, since PLA softens in heat and ages under UV. Check what material the author lists on the model page.
How do I pick the right size?
Measure the wire and the rope or cord you plan to use, then compare with the hole and groove dimensions given on the model page. Scaling a file changes those openings, so it is easier to pick a model that already matches.
Do these parts need supports?
It depends on the shape: flat plates and simple blocks often print without them, while ribbed or overhanging profiles may need them. The author's notes and print photos usually show the intended orientation.

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