PLA vs ABS vs PETG: Which Filament to Choose?

PLA vs ABS vs PETG

If you've just bought a 3D printer or are starting to research the various materials available, chances are you've consistently come across three names:

• PLA
• PETG
• ABS

These three materials are by far the most popular filaments in the world of FDM 3D printing, and each one has very different advantages, disadvantages and applications.

In fact, one of the most common questions among beginners and advanced users is:

Which is better, PLA, PETG or ABS?

The answer is not as simple as it seems.

There is no single perfect filament for all projects.

The best material will depend on factors such as:

• The type of part you are going to print.
• The necessary resistance.
• Exposure to heat.
• Indoor or outdoor use.
• Your level of experience.
• The features of your 3D printer.

While the PLA It stands out for its ease of use, the PETG It offers an excellent balance between strength and ease of printing. On the other hand, the ABS It remains one of the favorite materials for industrial applications and parts subjected to demanding conditions.

In this guide we will compare these three materials in depth to help you choose the most suitable one for each situation.

PLA vs ABS vs PETG: Quick Comparison

What are PLA, PETG and ABS?

All three are thermoplastic filaments used by FDM 3D printers.

This means that they come in coil form and are melted by the printer hotend to be deposited layer by layer on the print bed.

Although the manufacturing process is similar, its physical properties are very different.

Therefore, choosing the right material is essential to obtain good results.

PLA: The best filament for beginners

The PLA (Polylactic Acid) It is the most widely used filament in the world.

Most users start with PLA because it offers an extremely simple experience even on inexpensive printers.

Its popularity is due to three main factors:

• Easy printing.
• Excellent visual finish.
• Economical price.

Currently, virtually any FDM printer is capable of printing PLA without problems.

Advantages of PLA

Very easy to print

The PLA presents hardly any problems of:

• Warping.
• Contraction.
• Detachment from the bed.

This greatly facilitates learning.

Excellent visual quality

It allows you to obtain parts with:

• Good level of detail.
• Clean surfaces.
• Very attractive finishes.

Wide variety of colors and finishes

There are versions:

• Silk.
• Mate.
• Wood.
• Marble.
• Metallized.
• Rainbow.

Economic

It is usually one of the cheapest filaments on the market.

Disadvantages of the PLA

Low thermal resistance

It is its main limitation.

A PLA printed part can deform if it remains exposed to relatively high temperatures.

Lower mechanical resistance

More suitable materials exist for functional applications.

Lower resistance to outdoors

It is not usually the best option for parts subjected to rain or continuous sun exposure.

When to choose PLA?

The PLA is perfect for:

• Beginners.
• Decoration.
• Models.
• Figures.
• Visual prototypes.
• Domestic organization.
• Education.

Recommended temperatures PLA

• Hotend: 190°C – 220°C
• Hot bed: 0°C – 60°C

PETG: The perfect balance between strength and ease of use

Many users believe that the PETG It is currently the best generalist material for 3D printing.

And they are right.

It combines many of the advantages of PLA with considerably superior strength.

For this reason, it has become one of the favorite materials for manufacturing functional parts.

Advantages of PETG

Excellent mechanical resistance

It holds up better:

• Blows.
• Vibrations.
• Continued efforts.

Good thermal resistance

Tolerates temperatures higher than PLA.

Chemical resistance

It works very well in humid environments or those exposed to certain chemicals.

Ideal for functional parts

It is one of the most commonly used materials for:

• Supports.
• Casing.
• Mechanical parts.
• Robotics.
• Electronics.

Disadvantages of PETG

More difficult to print than PLA

Although it is still relatively simple, it requires a little more experience.

Stringing

It can generate small threads of material if the configuration is not optimized.

Slightly less clean finish

It usually does not achieve the refined visual finish of PLA.

When to choose PETG?

PETG is an excellent option for:

• Functional parts.
• Daily use.
• Engineering projects.
• Electronic components.
• Parts subjected to mechanical stress.

Recommended temperatures PETG

• Hotend: 220°C – 250°C
• Hot bed: 70°C – 90°C

ABS: The industry classic

For years the ABS It was the reference material within professional 3D printing.

It is still widely used in industrial sectors today thanks to its excellent mechanical properties.

Many everyday objects are made of ABS:

• Casing.
• Tools.
• Automotive components.
• Household appliances.

Advantages of ABS

High mechanical resistance

Very suitable for demanding applications.

Excellent thermal resistance

It withstands significantly higher temperatures than PLA or PETG.

Widely tested material

Decades of industrial use guarantee its performance.

Ideal for engineering

It is common to find ABS in:

• Automotive.
• Robotics.
• Industrial manufacturing.
• Functional prototyping.

Disadvantages of ABS

Warping

It is one of the materials most prone to deformation during printing.

Needs closed camera

Open printers often have more difficulty printing ABS correctly.

Odors during printing

It produces vapors that require adequate ventilation.

When to choose ABS?

ABS is recommended for:

• Industrial applications.
• Parts subjected to heat.
• Mechanical components.
• Professional environments.

Recommended temperatures ABS

• Hotend: 230°C – 260°C
• Hot bed: 90°C – 110°C

Strength comparison: Which filament is stronger?

One of the most common questions among 3D printing users is:

Which material is more resistant, PLA, PETG or ABS?

The answer depends on the type of resistance we need.

Withstanding shocks is not the same as withstanding heat, vibrations or continuous efforts.

However, if we talk about general use, we can establish a fairly clear classification.

Mechanical resistance

🥇 PETG

PETG offers an excellent balance between hardness and flexibility.

It absorbs impacts better than PLA and has less tendency to fracture.

That is why it is one of the most used materials for:

• Supports.
• Functional parts.
• Casing.
• Robotics.
• Mechanical components.

🥈 ABS

ABS also has excellent mechanical resistance.

In fact, for many years it was the reference material for industrial applications.

It is especially recommended when the parts are going to work under demanding conditions.

🥉 PLA

PLA is durable enough for a multitude of applications.

However, it is usually more rigid and fragile.

When its strength limit is exceeded, it usually breaks rather than deforms.

Impact resistance

If the part may suffer shocks or vibrations:

🥇 PETG

🥈 ABS

🥉 PLA

For this reason, PETG is often the favorite option for home users looking for durable parts.

Wear resistance

When there are moving parts or continuous friction:

🥇 ABS

🥈 PETG

🥉 PLA

Although for very demanding applications we usually recommend materials such as Nylon.

Comparison of thermal resistance

Temperature is one of the most important factors when choosing a material.

Many users print perfect parts in PLA and then discover that they deform when left inside a car during the summer.

Therefore, it is important to understand the limitations of each material.

PLA

The PLA begins to lose stability relatively soon.

It is not usually recommended for:

• Intense solar exposure.
• Vehicles.
• Components close to heat sources.

Approximate deformation temperature:

👉 55°C – 65°C

PETG

PETG considerably improves this aspect.

It can withstand higher temperatures without deforming.

Approximate deformation temperature:

👉 75°C – 85°C

ABS

This is where ABS stands out clearly.

Its thermal resistance remains one of its main advantages.

Approximate deformation temperature:

👉 95°C – 105°C

Winner in thermal resistance

🥇 ABS

🥈 PETG

🥉 PLA

If you are going to manufacture parts subjected to heat, ABS is still an excellent option.

Comparison of ease of printing

Not everything is resistance.

In fact, for many users, ease of printing is even more important.

A slightly less resistant but easy to manufacture part is usually much more useful than an extremely powerful material that constantly causes problems.

PLA: The King of Beginners

PLA remains the easiest filament to print.

Advantages:

• Very little warping.
• Excellent adhesion.
• Simple setup.
• Compatible with virtually any printer.

That is why it is the recommended option for any user starting out.

🥇 PLA

PETG: The middle ground

PETG requires some additional adjustments.

It is more sensitive to:

• Retraction.
• Stringing.
• Temperature.

However, it is still quite easy to use.

🥈 PETG

ABS: The most demanding

ABS requires:

• Hot bed.
• Good ventilation.
• Preferably closed chamber.

It also shows a significant tendency towards warping.

🥉 ABS

Final classification

Ease of printing

🥇 PLA

🥈 PETG

🥉 ABS

Price comparison

Prices are constantly changing depending on the manufacturer and quality.

However, we typically find the following trends.

The economic difference is usually relatively small.

Therefore, we recommend choosing the material for its properties and not just for the price.

Which filament to choose according to each need?

After analyzing all the features, we can draw fairly clear conclusions.

Best filament for beginners

🥇 PLA

Its ease of use makes it the best gateway to the world of 3D printing.

Ideal for:

• Learn.
• Decoration.
• Models.
• Figures.
• Visual prototypes.

Best quality-price filament

🥇 PETG

Probably the most balanced material currently.

Combine:

• Endurance.
• Ease of printing.
• Durability.

That is why many users end up using it as their main material.

Best outdoor filament

🥇 PETG

Among these three materials, it is the most recommended option for outdoor applications.

Although ASA is usually preferable for maximum UV resistance.

Better filament for functional parts

🥇 PETG

Excellent balance between strength and ease of printing.

Best filament for engineering

🥇 ABS

Its thermal and mechanical resistance continues to be highly valued in professional applications.

Best filament for decoration

🥇 PLA

Thanks to its ease of printing and wide variety of finishes.

Best filament for home 3D printers

🥇 PLA

🥈 PETG

The perfect combination for most users.

Our recommendation

If you could only buy a single filament:

👉 PETG.

If you are just starting out:

👉 PLA.

If you are looking for demanding technical applications:

👉 ABS.

This strategy usually covers virtually any need within the world of 3D printing.

Common mistakes when choosing between PLA, PETG and ABS

One of the biggest mistakes many users make when starting out in the world of 3D printing It's about thinking that there is only one perfect material for any project.

The reality is very different.

Each filament has been designed to meet specific needs.

Therefore, it is important to know the most common mistakes before buying a coil.

Choosing ABS as a beginner

This is probably the most common mistake.

Many users read that ABS is more durable and automatically think it is the best option.

However, they forget that it is also the most complex material to print of the three.

ABS usually requires:

• Hot bed.
• Closed camera.
• Good ventilation.
• Greater experience.

If you're just starting out, PLA will usually be a much smarter choice.

Use PLA for heat-treated parts

The PLA is fantastic for learning.

But not for everything.

Many people make car mounts, outdoor parts, or components near heat sources and find that they end up deforming.

In those cases, materials such as:

• PETG.
• ABS.
• ASA.

they offer better results.

Thinking that PETG is complicated

Years ago this could be true.

However, modern printers have greatly simplified their use.

Currently, most users can print PETG without too much difficulty.

For this reason, it has become one of the favorite materials for functional projects.

Choose the filament solely for the price

The economic difference between PLA, PETG and ABS is usually relatively small.

That is why it is much more important to choose the right material than to save a few euros on the purchase of a coil.

Ignore the end conditions of use

Before choosing any material, it is worth asking yourself:

• Will he be outdoors?
• Will it support weight?
• Will it be subjected to heat?
• Do you need flexibility?
• Is it a decorative piece?

The answer to these questions usually quickly determines which material is best.

PLA vs ABS vs PETG for beginners

If you've just bought your first 3D printer, you're probably wondering which of these materials you should use first.

Our recommendation is very clear.

First filament: PLA

You will learn:

• Leveling.
• Configuration.
• Accession.
• Supports.
• Laminate.

without complicating yourself with additional problems.

Second filament: PETG

Once you master PLA, PETG will be the next natural step.

It will allow you to manufacture much stronger parts while maintaining a relatively simple printing experience.

Third filament: ABS

Once you correctly understand how your printer works, you will be able to explore more technical materials such as ABS.

This learning order usually offers the best results for most users.

Conclusion

The comparison between PLA vs ABS vs PETG It does not have a single absolute winner.

Each material stands out in different situations.

If you are a beginner and looking for ease of use, the PLA It remains the best choice.

If you need durable and versatile functional parts, the PETG It probably offers the best balance between performance and ease of printing.

On the other hand, if you work on demanding technical projects or need high thermal resistance, the ABS It continues to be an excellent alternative.

Our general recommendation for most users is simple:

🥇 PLA for learning.

🥇 PETG for daily use.

🥇 ABS for technical applications.

With this strategy you can cover practically any need within the world of 3D printing.

Keep learning about 3D printing

We also recommend you visit our related guides:

👉 Everything you need to know about 3D printing

👉 3D printers for beginners

👉 Filament 3D printers

👉 Resin 3D printers

👉 Best professional 3D printers

👉 PLA vs ABS vs PETG

👉 Software for 3D printing

👉 How to calibrate a 3D printer

Frequently asked questions about PLA, PETG and ABS