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Fiberglass hero 2x

Continuous Fiber


Entry-level Continuous Fiber for industrial applications

Fiberglass is Markforged’s entry-level Continuous Fiber —a material capable of yielding parts 10x stronger than ABS when laid into a Composite Base material like Onyx. Fiberglass is the flagship material of the Onyx Pro and X5 and printable on the Mark Two and X7, providing a more affordable alternative to Carbon Fiber.


  • Softjaws
  • Medium-Strength Tooling
  • Insulative Reinforcement
  • Hand Tools
Fiberglass flexural strength desktop 2x 120920

Flexural Strength

  • 200MPa

    Fiberglass Reinforced

Fiberglass flexural stiffness desktop 2x 120920

Flexural Stiffness

  • 22GPa

    Fiberglass Reinforced