Markforged FX20 3D Printer – X3D Technology
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An ULTEM™ Filament capable large format 3D printer for big, strong, high temp parts
— usable from factory floor to flight.

Test Drive FX20

FX20 is our biggest, most capable printer yet. Experience it yourself in our virtual tour.

The biggest, fastest, and most sophisticated 3D printer we’ve ever built.

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.

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.

FX20 Materials


ULTEM™ 9085 Filament

Onyx FR

Onyx ESD

Continuous Carbon Fiber

Continuous Fiberglass

Continuous Aramid Fiber (Kevlar®)

Continuous HSHT Fiberglass

Composite 3D Printing Process


With automatic version control, real-time fleet management and cloud-based collaboration, Eiger is the world’s most advanced 3D printing software. Designed from the ground up to make manufacturing simpler, Eiger enables you to print plastic, metal and composite parts straight from your browser.