Markforged X3

The X3 prints strictly engineering grade plastic parts.

It leverages the incredible material qualities of onyx – twice the strength and stiffness as standard printing plastics – with an advanced sensor suite to deliver unparalleled reliability. Parts meet tight tolerances with beautiful surface finish and are perfect for production line equipment.

Available Upgrades
X5: Continuous Fiberglass, X7: Laser In Process Inspection, Carbon Fiber, HSHT, and Kevlar

Printer Properties

  • Process Fused Filament Fabrication
  • Build Volume: 330 x 270 x 200 mm (13 x 10.6 x 7.9 in)
  • Weight: 46 kg (102 lbs)
  • Machine Footprint (without Stand): 584 x 483 x 914 mm (23 x 19 x 36 in)
  • Print Bed: Kinematic coupling – Flat to within 80 um
  • Laser: Bed Leveling, Active Print Calibration
  • Plastics Used: Onyx
  • Fiber Used: None
  • Power: 100-240VAC, 150W (2A peak)

Part Properties

  • Layer Height 100um default, 50um minimum
  • Material Properties UTS: 36 MPa (1.2x ABS); Flex Stiffness: 2.9 GPa (1.4x ABS)
  • Infill: Closed Cell Infill: Multiple geometries available


  • Markforged Eiger Design Software
  • Cloud Storage, Local Storage, or Fully On-Premise ($5,000 added fee)
  • Security: Two Factor Auth, Org Admin Access, Single Sign On