Jouets et figurines

LEGO Technic Panels: 3D Models and STL Files

Here you will find flat panels, curved fairings, beams and frames that follow the Technic building system, gathered from several model platforms. The collection helps when a part is missing from a set or when you want to extend a build with shapes the standard assortment does not cover. Each entry links to the author's page, where the details for 3D printing are listed. 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 12/10/2026


Collection

Par où commencer

Tous les modèles de cette collection

À propos de la catégorie

«LEGO Technic Panels: 3D Models and STL Files»

Panels come in flat, angled and curved shapes: some are smooth shells used as bodywork, others are plates with holes along the edges. Beams and frames form the load-bearing skeleton and differ mainly in length, hole spacing and the direction of the holes. Smaller elements such as pins, brackets and adapters join these parts to axles and motors.

When choosing a part, open the model page and read the dimensions the author gives, how many pieces the file contains and whether the shape is split for printing. Check the orientation, since long panels are often printed in two halves and joined afterwards. Photos of printed parts help you judge wall thickness and how the studs or holes came out.

To narrow the results, search by shape rather than by set name: try terms for fairings, plates, beams, frames or base panels, and add the building system you use. Related topics such as axles, gears, pins and connectors often lead to the same authors. If a search returns too much, combine a shape word with a size description or the kind of model you are building.

FAQ

Questions fréquentes

What is the difference between a panel and a fairing?
A panel is usually a flat or slightly angled plate with holes for pins, while a fairing is a curved shell that covers a section of a model. Both appear in the same searches, so it helps to know which outline you need.
Do these parts need supports when printed?
That depends on the shape and the orientation the author chose. Flat plates often print without them, while curved shells and long beams may need them on overhangs; the model page usually states this.
Can I mix parts from different authors in one build?
Parts that follow the same building system usually connect, but tolerances differ between designers. Print one part first, test how it fits, then adjust the scale if needed.
How do I find a part when I only know its shape?
Search for the shape and the function, such as a curved cover, a flat plate with holes or a frame, and add the building system. Browsing related categories for axles, gears and connectors also helps.

Toutes les catégories de modèles 3D

Le catalogue complet des thèmes, de la maison à la CNC, avec une recherche sur tous les sites connectés.

Ouvrir le catalogue des catégories