
3D Printer Models and STL Parts for Upgrades
This collection gathers STL files for 3D printing related to 3D printers themselves: complete builds, add-on parts, test prints, and workshop accessories. It helps you find models for a new machine, an upgrade, or everyday maintenance. 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 14/10/2026
Par où commencer
Tous les modèles de cette collection

Держатель филамента для 3 Д принтер...

CORE XY 3D PRINTER ( LOW COST )

Dual Drawer - Ender 3 Pro

Insert for measuring the belt tension of a 3 D printer

A1外置料架(全3D打印)

Стол для 3 д принтера prusa

Mini 3D printer - Print in place

Ender 3 Tool Holder

3-D printer

3d Printer Printing 3d Printer

3D Printer Card Kit
Ender 3 (Pro, V2, S1, Ender 5, ...) Bed Lock

3-D Printer stringing test

My First Printer & Friends Toy 3D Printer

Money Printer Magic Box

Ender 3 / Ender 3 Pro - IKEA Lack Enclosure

3-D printer at work sign

Parametric Belt Pulley Generator (GT2, HTD, T5)

3d printer toy with moving parts

Ender 3 LED light bar holder

3-D Printer Bed Scraper

A1 Mini Printer - Update: Print it in Parts

3D Mini Printer CC Wand and simple Widget

3-wheeled Y guide (Re-D-Bot)

3-D printer sign

Dummy 13 3d Printer 3d Printing a Dummy 13

PrinterFanatic3d logo

Metal 3-D Printer v1.0

Reversable 3-D printer sign

3D printing filament re-vinder

Printer Tool Storage
3-wheeled Z guide (Re-D-Bot)

Anycubic Kobra 2 neo 1:5

Mini K2 combo 3d printer

Pincher V2 - The Ender 3 Adjustable Spool Holder Add-On

phone holder for film 3.d printer

Legos 3D printer

Small-Scale 3D Printer Toy with movable part! (Mini filament

Creality Printer/V-slot machines/Ender 3 Smart Tool Holder

Test Print for 3-d printer

Vault Boy Fallout

Wednesday 2d

ELEGOO Neptune 3 Plus Tools rack may fit others.

Don't Touch My 3-D Printer!
«3D Printer Models and STL Parts for Upgrades»
Models range from compact printer frames and motion systems to holders, enclosures, and calibration tests. Some are large assemblies with many printed and bought parts, while others are single-piece accessories or quick test objects.
When choosing, check the listed build volume, part count, and assembly notes. Look at whether the author calls for supports, which filament type and settings are mentioned, and photos of finished prints.
To refine a search, try terms such as printer upgrade, tool holder, filament guide, belt tension, bed level, enclosure, or calibration test. Combining a printer size or motion style with a part name can narrow results.
Questions fréquentes
What kinds of 3D printer models can be found here?
How do I choose a printer part to print?
What should I check before printing a large printer frame?
Can these models help with calibration?
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