Engineering-grade materials enable you to use 3D printing to make parts suitable for every stage in the manufacturing process.


Already 40% stiffer than ABS, Onyx provides the foundation for Markforged’s 3D printed advanced composites materials. It can be printed on its own or reinforced with any of our four continuous fibers.


Markforged is the first company to offer 3D printed continuous fibers, enabling composite parts robust enough to replace machined metal.

Continuous Filament Fabrication (CFF) is the method with which fiber reinforced composites are 3D printed. Continuous fibers are extruded layer-by-layer similarly to FFF processes.

Precise PLA

Precise PLA is Markforged easy-to-print plastic for precision concept modeling and validation. Based on the most common 3D printing prototyping material, Precise PLA 3D prints without warping and comes in a variety of colors. Best of all, it’s affordable. So you can use as much as you need to fine-tune your designs before implementation.

Thermoplastic build materials


Strong, stiff material with heat resistance and high dimensional stability.

Material type: PA6 + choped carbon fiber
Tensile strength: 40 MPa
Elongation at break: 25 %
Heat deflection: 145 °C
Compatible with: Desktop series, Industrial series

Onyx FR

Flame retardant, meets UL94 V-0 specification down to 3 mm, shares the chemical and physical attributes of Onyx.

Tip materiala: PA6 + mikro karbonski delci
Natezna trdnost: 41 MPa
Raztezek pri lomu: 18 %
Toplotna odpornost: 145 °C
Compatible with: Industrial serija

Onyx ESD

Stronger, stiffer, and ESD resistant Onyx variant for industrial applications.

Download Supplemental Datasheet

Tip materiala: PA6 + mikro karbonski delci
Natezna trdnost: 52 MPa
Raztezek pri lomu: 25 %
Toplotna odpornost: 138 °C
Surface Resistance: 105 – 10Ω
Kompatibilno z: Industrial serija


Tough material with smooth surface texture for repeated skin contact or work holding when handling highly polished surfaces.

Tip materiala: PA6
Natezna trdnost: 51 MPa
Raztezek pri lomu: 150 %
Toplotna odpornost: 41 °C
Compatible with: Mark Two, X7

Precise PLA

Affordable to-print plastic for precision concept modeling and validation.

Cannot be reinforced with fiber.

Download Supplemental Datasheet

Material type: PLA
Tensile strength: 31 MPa
Elongation at break: 27 %
Heat deflection: 52 °C
Compatible with: Onyx Pro, Mark Two, Industrial series

Fiber reinforcement materials


Fiberglass is the most cost-effective material. It’s a strong as Carbon Fiber, but 40% as stiff, and 2X the weight. Suited to everyday applications where you need strong parts.

Tensile strength: 590 MPa
Elongation at break: 3,8%
Flexural strength: 200 MPa
Heat deflection: 105 °C
Compatible with: Onyx Pro, Mark Two, X5, X7

HSHT Fiberglass

High Strength, High Temperature (HSHT) Fiberglass is a material uniquely designed for users who need strong parts in higher temperature environments (over 105°C, with a heat deflection point of 150°C).

Tensile strength: 600 MPa
Elongation at break: 3,6%
Flexural strength: 420 MPa
Heat deflection: 150 °C
Compatible with: Mark Two, X7

Carbon fiber

Carbon fiber has the highest strength to weight as well as the highest thermal conductivity. Perfect for applications requiring the greatest possible stiffness and strength.

Tensile strength: 800 MPa
Elongation at break: 1,5%
Flexural strength: 540 MPa
Heat deflection: 105 °C
Compatible with: Mark Two, X7


Kevlar has the best abrasion resistance and is our most flexible material. For when you need parts that are durable and resistant to impact.

Tensile strength: 610 MPa
Elongation at break: 2,7%
Flexural strength: 240 MPa
Heat deflection: 105 °C
Compatible with: Mark Two, X7

Interested and want to know more?