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Prusament PETG Carbon Fiber Black 1kg

What can you expect?

Prusament PETG is our own in-house made filament. The whole manufacturing process is closely monitored and tested - we guarantee ±0.02mm precision and highly-consistent colors. You can inspect parameters of every spool we made at Check the sample spool!

Prusament extrusion line

Manufactured In-House By Josef Prusa

We were not satisfied with the quality of filaments on the market. So we decided to make our own! Prusa Research is the only 3D printer manufacturer with its own filament production.

Prusament polymer granulate

Premium-Grade Materials And Thorough Testing

The whole manufacturing process is closely monitored and tested – string diameter, color consistency, and mechanical properties – to make sure that every spool is perfect.

Laser device for measuring Prusament quality and tolerance

± 0.02 mm Manufacturing Guaranteed Precision

We believe the industry standard of 0.05 mm isn’t sufficient for perfect 3D printing. Instead, we guarantee ±0.02mm precision and highly-consistent colors in our filaments.

Prusament quality specs on

High Quality You Can Check Yourself

We are the only manufacturer that gives the option to inspect parameters of every filament spool. Scan a QR code on the spool to see all details online (check the sample spool).


Read more about Prusament in the article at or!

More about PETG Carbon Fiber

Prusament PETG Carbon Fiber is our classic Prusament PETG filament reinforced with carbon fiber, which improves some of its mechanical properties and gives it an attractive look. Compared to regular Prusament PETG, this material has better dimensional stability, better temperature resistance, higher modulus of elasticity, and is less prone to stringing. With Prusament PETG Carbon Fiber, you get very durable, professional-looking prints. The carbon fibers inside the filament are obtained by recycling industrial waste from the production process or carbon composites at the end of their life.

Printing Setup

Heatbed90±10 °C
Recommended print sheetTextured / Satin
Before printing, learn about print surface preparation in our dedicated article and material table.

Basic Attributes

High strength and durabilityLower toughness compared to Prusament PETG
Improved temperature resistanceRequires a hardened nozzle
Improved dimensional stability during printingWorse details than PLA, for example
Higher resistance to being deformed elastically  
Low stringing  
Visually appealing matt black surface  
Easy to print  
Almost odorless when printing  

Beginners tips & tricks

Make sure you print Prusament PETG Carbon Fiber with a hardened nozzle. Carbon fibers inside are highly abrasive and may damage a regular brass nozzle.


This PETG Carbon Fiber was made in-house at Prusa Research.

This 1.75mm filament has a manufacturing tolerance of ± 0.02 mm.

Before printing, make sure the surface of heatbed is clean as described in 3D Printing Handbook.

To dry the filament, please follow the instructions in our article.
In stock

Preparation time: 1-3 business days.

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