additivecompareIndustrial FFF benchmark

Markforged FX20

A closed-material FFF printer with a 525 × 400 × 400 mm build volume, a 360 °C nozzle and an actively heated chamber up to 200 °C. Qualifies for PA-CF and PEI 9085.

Closed material ecosystemHeated chamberContinuous fiber

Specifications

Build envelope525 × 400 × 400 mm
Build volume84 L
Max nozzle temperature360 °C
Chamber200 °C, actively heated
Max print speedNot published
Exterior size1325 × 900 × 1925 mm
Exterior volume2,296 L
Envelope efficiency3.7 % (build ÷ exterior volume)
Material ecosystemClosed material ecosystem
Independent dual extrusionNo
Continuous fiberYes
Price  Tier 5 of 5 · Sold by quote
StatusCurrent

Large-format composite system that lays continuous carbon, glass or Kevlar fiber into ULTEM 9085, Onyx (chopped-carbon nylon) and Vega. Chamber holds up to 200 °C. Multi-nozzle builds are 500 mm wide. Weighs 530 kg.

Open in the trade-off mapSee it in the full table

Material qualification

MaterialStatusHeadroom
ASA / ABSNozzle ≥ 250 °C, chamber ≥ 45 °CNot in vendor catalogNot sold by the vendor for this machine
Polycarbonate (PC)Nozzle ≥ 270 °C, chamber ≥ 60 °CNot in vendor catalogNot sold by the vendor for this machine
Nylon CF (PA-CF)Nozzle ≥ 280 °C, chamber ≥ 50 °CQualifiedIn the vendor's material catalog
PPS-CFNozzle ≥ 320 °C, chamber ≥ 90 °CNot in vendor catalogNot sold by the vendor for this machine
ULTEM 9085 (PEI)Nozzle ≥ 360 °C, chamber ≥ 90 °CQualifiedIn the vendor's material catalog
PEKKNozzle ≥ 360 °C, chamber ≥ 90 °CNot in vendor catalogNot sold by the vendor for this machine
PEEKNozzle ≥ 400 °C, chamber ≥ 100 °CNot in vendor catalogNot sold by the vendor for this machine

Closed system: a material qualifies only if the vendor sells it for this machine. How qualification works

Sources

Verified October 31, 2026. Spot an error? Email data@additivecompare.com with a source.

Other printers in price tier 5 (Over $20,000, or sold by quote)

PrinterBuild volume (L)Nozzle (°C)Active chamber (°C)Exterior (L)Price tier
Stratasys F370Closed material ecosystem 32Not publishedNot published999