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G-code and STL Models for 3D Printing Tests

This collection gathers G-code and STL files for 3D printing, including calibration tests, keychains, scale vehicles and technical models. You can use it to find a starting point for tuning a 3D printer or for a small project. Check the model page for the author's notes before you slice. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.

Una colección de Polyzon · 48 modelos de 3 plataformas

Cómo se elabora esta colección

Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.

Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 14/10/2026

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«G-code and STL Models for 3D Printing Tests»

The collection mixes functional files and display pieces. Calibration and parameter files are usually small and print quickly, while keychains are flat or low-profile and often need a hole or loop. Scale vehicles and technical models come in multiple parts, so assembly and orientation matter more than print time.

When choosing a file, read the author's page for scale, part count and whether supports are required. Check the recommended material and slicer settings, and look at photos of real prints to judge surface detail and fit. For moving parts, confirm clearances and how the pieces join.

To refine the search, try synonyms and related terms such as calibration cube, temperature tower, keyring, miniature, scale model, mechanical assembly or slicer test. Combine a material or printer type with the object name if you need a narrower result. If a file is described as G-code, check which slicer and profile it was made for.

FAQ

Preguntas frecuentes

What is a G-code model?
A G-code model is a file that already contains toolpaths for a specific printer and material. It is tied to the slicer settings used to create it, so it may not match another machine without changes.
Can I edit a G-code file?
G-code can be edited as text, but the result depends on the original coordinates and settings. For design changes, an STL or source file is usually easier to modify.
What should I check before printing a keychain?
Look at the loop thickness, hole size and whether the model is flat or has raised details. The author's page may list scale and suggested layer height.
How do I find calibration models?
Search for temperature tower, flow test, retraction test or dimensional accuracy. These terms lead to files meant for tuning a 3D printer.
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