Markforged Onyx Pro

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Desktop Series: Onyx Pro

A Desktop Composite 3D Printer for Parts Reinforced with Fiberglass

The Onyx Pro 3D printer brings industrial-grade performance and precision to a desktop size machine for the perfect blend of quality and affordability. Using the Continuous Filament Fabrication technology that Markforged has perfected, the Onyx Pro combines the toughness of the Onyx nylon filament with the strength and stiffness of fiberglass reinforcement. 

  • Build Volume: 320 mm x 312 mm x 154 mm
  • Base Thermoplastic Material: Onyx
  • Internal Fiber Reinforcement: Fiberglass


Learn more about composite 3D printing in our online guide.

Markforged Onyx Pro

Key Features of the Onyx Pro Desktop 3D Printer:

Continuous Filament Fabrication (CFF)

CFF 3D printing technology uses two print nozzles to create composite parts, combining two materials into a single print. This unique process that reinforces the parts with composite fiber during the printing process enables you to have parts that are stronger, stiffer and more versatile than typical 3D printed parts.

Onyx Filament

Onyx Filament can be used for anything from tooling to end-use parts. This nylon is mixed with chopped carbon fiber to give both high strength and heat deflection up to 293 degrees Fahrenheit. Parts printed with this material will also have an excellent surface finish.

Fiberglass Reinforcement

The Markforged Onyx Pro 3D Printer uses fiberglass as the reinforcement material for its parts. The composite material makes these parts 11x more rigid than ABS and 26x more rigid than nylon. It is ideal for getting a stiffer part at the most affordable price.


Markforged developed its Eiger software to make 3D printing simple. Easily import, manipulate and slice your 3D models directly in a web browser with this cloud-based software that comes with every printer. Printers from Markforged also have built-in touchscreens to help you connect to Wi-Fi, start parts and manage your printer with ease.

Additional Resources


Markforged Onyx Pro

Download the data sheet for more information.

View Data Sheet


Guide to Composite 3D Printing with Markforged

Read our guide to get answers to common questions about composite 3D printing.

Read the Guide


Leveraging Continuous Fiber for Strong 3D Printing

Download the guide for more information.

View Guide

Questions? Contact us at or call 877-220-8050.