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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.

Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.

Una raccolta di Polyzon · 48 modelli da 3 siti

Come è composta questa raccolta

Polyzon compone questa raccolta a partire dai risultati di ricerca dei siti collegati. I doppioni e i modelli senza anteprima vengono rimossi, le corrispondenze deboli finiscono in fondo e il resto mantiene l’ordine dei risultati. I modelli appartengono ai rispettivi autori: verifica le condizioni sulla pagina di ciascun modello.

Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 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

Domande frequenti

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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