PLA, PETG oder ein anderes Filament? So wählen Sie das richtige Material für den 3D-Druck.

PLA, PETG, or another filament? How to choose the right material for 3D printing.

By Thomaz Inkolor

July 13, 2026 2 min read

Choosing the right filament is one of the most important decisions in 3D printing. The material directly affects the quality of the part, its stability, the surface, durability, and printability as well.

Among the most commonly used materials are PLA and PETG. Both are popular, but they are not suitable for the same applications. Knowing the difference helps avoid material waste, rework, and unsatisfactory print results.

PLA: easy to print and ideal for visual parts

PLA is one of the most popular filaments in 3D printing. It is easy to process, offers good print stability, and produces a very clean surface.

PLA is particularly well suited for prototypes, decorative objects, concept models, lightweight brackets, and parts that are not exposed to strong mechanical stress or heat.

PLA is usually the right choice when the following points are important:

Easy printability;
Good visual surface finish;
Low risk of warping;
Fast prototypes;
Presentation models.

PETG: more durable for functional parts

PETG is a good choice when a part needs more stability, durability, and flexibility. It is generally more impact-resistant and moisture-resistant than PLA, and is therefore better suited for functional applications.

However, PETG requires a bit more attention to print settings, especially temperature, first-layer adhesion, and stringing control.

PETG is usually the right choice when the following points are important:

Higher mechanical strength;
Functional application;
Parts subjected to more stress;
Longer durability;
Technical applications.

Quick comparison: PLA vs. PETG

Criterion	PLA	PETG
Printability	High	Medium
Surface	Very good	Good
Impact resistance	Medium	High
Moisture resistance	Low to medium	Better
Recommended application	Prototypes, models, and visual parts	Functional and more durable parts
Experience level	Beginner to advanced	Intermediate to advanced

And other filaments?

In addition to PLA and PETG, there are other materials for more specific requirements, such as ABS, TPU, ASA, or Nylon. Each material has its own properties and requires suitable print settings.

Anyone who wants to get started easily or print with stability is usually well advised to choose PLA. Those who need more robust and functional parts should consider PETG.

How do you choose the right filament?

Before buying, three simple questions help:

Is the part only visual, or does it have a practical function?
Will it be exposed to heat, moisture, or impact?
Is the surface more important than the strength?

For visual objects, decoration, or quick prototypes, PLA is often enough. For parts that will be subjected to more wear in everyday use, PETG is often the better choice.

Conclusion

Choosing between PLA, PETG, or another filament depends on the purpose of the print. The best material is the one that suits the real-world use of the part.

At Inkolor, you'll find 3D filaments for a variety of applications: from prototypes and visual models to technical and functional parts.