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Markforged FX20

A ULTEM™ Filament capable large-format 3D printer for big, strong, high temp parts — usable from the factory floor to flight.

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Markforged FX20

Massive Builds, Faster

The FX20 pairs size and throughput to make larger builds at incredible speeds, delivering the transformational benefits of The Digital Forge at a new scale.

Functional Parts from Factory to Flight

Built for everything from performance tooling and fixtures to flight-ready production parts —this large format 3D printer can reinforce ULTEM™ 9085 filament with continuous carbon fiber.

3d printed ULTEM™ 9085 and carbon fiber part inside a printer

Production-Ready Performance

A precision-designed, sensor-driven production 3D printer delivers breakthrough reliability and performance with a simple user experience.


Built to scale distributed global production, the FX20 is precision-designed and sensor-driven to deliver breakthrough accuracy, quality, and reliability to fabricate parts directly at the point-of-need with the simple click of a button.


Design your parts following the design guide provided by Markforged save as STL and import it to Markforge Eiger Software to prepare and reinforce your part and send it to the machine for printing.


Start the prepared print from Eiger software  by navigating on the touchscreen display on the machine.


Remove supports after the print is finished and use the printed part directly as per the design.

Customized brackets
Replacement parts
Product development
Functional tools

Technical Specification

Markforged FX20

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Build volume:
525 x 400 x 400 mm
Layer height:
50 μm - 250 μm

About the FX20

The FX20 is the largest and most precise machine Markforged has ever produced.

This large format 3D printer features an 84L heated build chamber and massive, verified-flat vacuum bed with print sheets. The motion control system offers closed loop control through precision linear encoders, and is tuned to move the 3kg print head rapidly and accurately. FX20’s turbo mode builds parts faster than any Markforged machine, while new XL spools offer four times the material without spool changeover.

The FX20 is remarkably easy to use. It features a 7 inch touchscreen from which users can control every aspect of the printer. Automated calibration and leveling reduces operator input, while a wide variety of sensors give live feedback on machine performance. A material bay contains two active XL spools and can store two more with precise moisture control.

Compatible materials


Onyx ESD

Fiberglass CFF™

Kevlar® CFF™