Barcode: NYL13011000BK0

Black 1.75mm 3DXTech Obsidian™ PA6+CF Nylon Filament – 1kg

3DXTech Obsidian™ PA6+CF is a carbon fiber reinforced nylon filament engineered for demanding functional 3D printing applications. Built around a PA6 nylon base and reinforced with chopped carbon fiber, this material delivers enhanced stiffness, dimensional stability, strength, and heat resistance compared to standard nylon filaments.

Designed for engineers, makers, print farms, and advanced users, Obsidian™ PA6+CF offers excellent layer adhesion and reduced warping while maintaining the toughness nylon is known for. The matte black surface finish also produces professional-looking parts with reduced visible layer lines.

Whether you are producing prototypes, tooling, brackets, fixtures, automotive components, or end-use mechanical parts, this high-performance engineering filament is built to handle demanding environments.

Key Features & Benefits

  • Carbon fiber reinforced PA6 nylon formulation
  • Excellent stiffness and strength-to-weight ratio
  • Improved dimensional stability compared to unfilled nylon
  • Matte surface finish with reduced layer visibility
  • High heat resistance for functional applications
  • Lower warping than traditional nylon materials
  • Strong interlayer bonding and mechanical durability
  • Suitable for advanced desktop and professional FDM printers
  • Excellent for structural and engineering-grade prints

Designed for Functional & Engineering Applications

Obsidian™ PA6+CF is ideal for users who require strong, lightweight, and durable printed components.

Common applications include:

  • Functional prototypes
  • Manufacturing fixtures and jigs
  • Automotive parts
  • Robotics components
  • Structural brackets
  • Aerospace and drone components
  • Mechanical housings
  • Production tooling
  • Custom machine parts
  • RC and motorsport components

The added carbon fiber reinforcement improves rigidity while helping minimize shrinkage and deformation during printing.

Print Quality & Material Performance

This filament is engineered for reliable performance on capable high-temperature 3D printers. The carbon fiber reinforcement improves print consistency and creates crisp edges with a premium matte finish.

Compared to standard nylon materials, PA6+CF offers:

  • Better dimensional accuracy
  • Reduced warping and shrinkage
  • Improved rigidity
  • Enhanced layer stability
  • Cleaner surface appearance

Because nylon materials absorb moisture, proper filament storage and drying are recommended for best print quality and optimal layer adhesion.

Compatibility & Printing Recommendations

3DXTech Obsidian™ PA6+CF is compatible with many enclosed desktop and industrial FDM 3D printers capable of processing engineering-grade materials.

Recommended setup considerations include:

  • Hardened steel or abrasion-resistant nozzle recommended
  • Heated bed required
  • Enclosed build chamber recommended for large parts
  • Filament dryer or dry box strongly recommended
  • Compatible with 1.75mm FDM/FFF 3D printers

This material is best suited for experienced users or advanced hobbyists familiar with nylon and composite filament workflows.

Why Users Choose 3DXTech Obsidian™ PA6+CF

Users choose Obsidian™ PA6+CF when they need a balance of strength, rigidity, thermal resistance, and professional print quality. The carbon fiber reinforcement helps create lightweight yet highly durable parts while improving print stability compared to conventional nylons.

3DXTech is widely trusted in the additive manufacturing industry for producing engineering-grade materials designed for real-world performance and demanding technical applications.

Upgrade Your Functional 3D Printing Workflow

If you need durable nylon parts with enhanced stiffness, reduced warping, and a professional matte finish, 3DXTech Obsidian™ PA6+CF delivers the performance required for advanced functional manufacturing, prototyping, and engineering projects.

Specification Details
Brand 3DXTech
Product Line Obsidian™
Material PA6 Nylon + Carbon Fiber
Color Black
Filament Diameter 1.75mm
Net Weight 1kg
Filament Type Carbon Fiber Reinforced Nylon
Printer Compatibility FDM / FFF 3D Printers
Recommended Nozzle Hardened Steel or Abrasion-Resistant Nozzle
Heated Bed Required Yes
Enclosure Recommended Yes
Moisture Sensitive Yes
Surface Finish Matte Carbon Fiber Finish
Application Type Functional & Engineering Parts

Obsidian™ PA6+CF filament was formulated to be a lower-cost drop-in Markforged Onyx Alternative suitable for all Markforged printers. We developed this material after extensive analysis and testing on our own in-house Markforged printer and many outside beta testers. The result is a seamless printing experience that produces parts with an outstanding appearance and excellent mechanical properties. Made using premium high-modulus carbon fiber and PA6 copolymer, Obsidian™ is an excellent alternative to Onyx™ that allows our customers to save money when using your Markforged printer.

Don’t have a Markforged printer? That’s no problem – Obsidian™ is also compatible with all non-Markforged printers that are suitable for printing PA6+CF.  Take advantage of the excellent strength, stiffness, and appearance of this specialty material without over spending on Markforged Onyx™.

  • Compatible with Markforged FX20, X7, X5, X3, Mark Two, Onyx Pro, and Onyx One printers

What is 3DXTech Obsidian™ PA6+CF filament used for?

This carbon fiber reinforced nylon filament is commonly used for functional prototypes, tooling, automotive parts, robotics, brackets, and other engineering-grade applications requiring strength and rigidity.


Do I need a hardened nozzle for PA6+CF filament?

Yes. Carbon fiber reinforced filaments are abrasive and can wear out standard brass nozzles quickly. A hardened steel or wear-resistant nozzle is strongly recommended.


Is Obsidian™ PA6+CF easier to print than regular nylon?

The added carbon fiber reinforcement helps reduce warping and shrinkage compared to standard nylon, improving dimensional stability and print consistency.


Does this nylon filament absorb moisture?

Yes. Like most nylon materials, PA6+CF absorbs moisture from the air. Dry storage and filament drying before printing are recommended for optimal print quality.


Can this filament be printed on standard desktop 3D printers?

It can be printed on compatible desktop FDM printers that support high-temperature materials, heated beds, and ideally enclosed build chambers.


What type of finish does carbon fiber nylon produce?

3DXTech Obsidian™ PA6+CF produces a professional matte finish that helps reduce visible layer lines and gives printed parts a clean engineering appearance.


Who is this filament best suited for?

This material is ideal for advanced hobbyists, engineers, educators, print farms, and professionals producing durable functional parts and prototypes.



Black - 1.75mm 3DXTech Obsidian™ PA6+CF Nylon Filament - 1kg

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  • Black - 1.75mm 3DXTech Obsidian™ PA6+CF Nylon Filament - 1kg
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