CNC e fresatrici

3D Printed CNC Machine STL Models

This collection gathers STL files for building and upgrading CNC machines, from desktop routers to printed-frame gantries and small engravers. It is useful if you want to combine 3D printing with milling, drawing or laser work on a machine you assemble yourself. 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 4 siti

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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: 12/10/2026

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«3D Printed CNC Machine STL Models»

The models here split into a few groups. Full machines range from compact desktop routers and mills to larger frames that carry a full sheet, while other designs cover only the moving parts, such as axis assemblies, tool holders or rail mounts. There are also concept and multi-axis layouts that show a mechanism rather than a finished build, and small engraver or drawing setups driven by common controller boards.

Before printing, read the author's page for the tube or rail diameter, the working area and the number of printed parts, since these decide how much hardware you need to source. Check whether the design expects bought rails, bearings, lead screws or belts, what infill and material the author used for load-bearing parts, and whether any part needs supports or post-processing. Photos of assembled machines help you judge how the parts fit together.

If the results are too broad, search by machine type instead of the general term: router, mill, engraver, plotter or drawing machine. Related searches include axis, gantry, spindle mount, linear rail, lead screw and belt drive, and adding a size such as mini or desktop narrows the list further. Terms like printed frame, conduit or tube often point to builds made mostly from printed parts.

FAQ

Domande frequenti

What do I need besides the printed parts for a CNC build?
Most designs expect rails or tubes, bearings, a spindle or rotary tool, motors, a controller board and a power supply. The author's page usually lists the exact hardware and dimensions, so check it before printing.
Can a 3D printed CNC machine cut metal?
Printed frames are usually used for wood, plastic, foam and engraving work. Cutting metal puts much higher loads on the frame and spindle, so look at what the author states about the intended materials and cutting depth.
How do I choose between a router, a mill and an engraver?
A router moves a spinning tool over a large flat area, a mill is built for smaller and more rigid work, and an engraver is meant for light marking or drawing. The choice depends on the size of your parts and the material.
Why do the same designs appear with different tube diameters?
Printed parts are sized around the tube or rail they clamp onto, so authors publish separate versions for common metric and imperial sizes. Measure your tubing first and pick the matching file.
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