
Plastic Parts and Molds: 3D Models and STL
This collection gathers STL files for plastic parts and molds, from casting forms to replacement panels and small fasteners. It helps you find a starting point for 3D printing when an original plastic piece is missing, worn or needs a custom shape. Check each model page for the details that matter. 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.
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
Da dove iniziare
Tutti i modelli di questa raccolta

Cap for plastics bags

Syringe for soft plastics
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igus christmas ball shows "motion plastics"

Fantastic Plastics Logo

clip trim fiat 500x

Lizard Fishing Lure Mold for Soft Plastics
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Brick Molds

DT1990/DT1770 Outer Slider plastics

Jig Tail Molds for soft plastics.

Talk Plastics Not Politics!
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Molds Bricks stones

Better buckle for brittle plastics

CRF50 Plastics adapter

TAMIYA HOTSHOT 1:24 scale kit for SUBOTECH
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Motocompo NCZ50 - Body Panel Bundle

Gaggia locking plastics for group collar / retaining ring

Micro-plastics Meme

6.5mm plastic rivot/push-pin
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Plastic injection Molding Machine Model

Prusa i3, Aworldnet A600 Z axis plastic printer parts

The Plastics - Christmas Caster

mr dragon says business card holder for plastics
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Avios Grand Tundra Wing Strut Plastics Replacement

Simple label for recycling of plastic waste

Coffee cup holder

Plastics shredder funnel
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RX7 FC Clock Bezel

Hand Crank Adapter for Plastics Shredder

Leva curva per smontaggio plastiche automobile

Стенд для теста пластиков, Stand for the test of plastics
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Motocompo NCZ50 - Body Panel - Rear

Ender 3 V3 SE Trash Can

DURA Plastics : irrigation manifold wrench

Pinball plastics corner protector
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Electric Panel Rod Guide

Wurlitzer Front Plastics for 2504 and 2510

Clearview Plastics Enclosure High Flow Dust Filter

Flat Blank Keycaps 1.25u 1.5u 1.75u 2.0u
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TM 4T 450Fi ES SMR OEM PLASTICS SET (2022 to 2026)

Deburring Edge jig Cutter with side burr discharge (for wood and plastics/rubber material)

H2D Riser Platform

Wanhao i3 extruder plate for flex plastics
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TM 4T 450Fi ES SMR REAR FENDER (2022 to 2026)

Push Plastics 10kg Spool Holder for Lazy Susan

Soporte para botellas y plásticos de Lavavajillas
«Plastic Parts and Molds: 3D Models and STL»
The collection covers several plastic-related groups: molds for casting soft lures or solid shapes, replacement covers and panels for vehicles and appliances, small clips, buckles and rivets, and decorative or display pieces. These groups differ in purpose: molds are used to shape another material, while replacement parts and fasteners are printed as finished objects. Some items are single pieces, and others are assemblies with several components.
When choosing a model, look at the dimensions and scale, the number of parts, and whether the author shows how the pieces join. Check the material and settings listed on the model page, and review photos of real prints to judge surface detail and alignment. For parts that must flex or snap, the orientation and wall thickness can matter more than the overall shape.
To refine your search, try synonyms and related terms such as plastic replacement, mold, casting form, panel, clip, buckle, rivet, or trim. Combine a broad term with the object type or the area where the part belongs, for example dashboard, handlebar, body panel, or kitchen appliance. If you find a close result, open its author page and look for related uploads or collections.
Domande frequenti
What can I print from a plastic parts collection?
How do I choose between a mold and a replacement part?
What should I check before printing a plastic replacement part?
How can I find more models like one I already found?
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