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Carbon Fiber

The backbone of aluminum-strength composite parts

Carbon Fiber is Markforged’s unique, ultra-high-strength Continuous Fiber — when laid into a Composite Base material like Onyx, it can yield parts as strong as 6061-T6 Aluminum. It’s extremely stiff and strong, and can be automatically laid down in a wide variety of geometries by Markforged 3D printers. A special Carbon Fiber variant is compatible with ULTEM™ 9085 Filament.


  • High-Strength Tools & Fixtures
  • Brackets & Mounts
  • Inspection/CMM Fixturing
  • Bespoke End-Use Parts
  • Functional Prototypes
Flexural Strength

Carbon Fiber Reinforced
Flexural Stiffness

Carbon Fiber Reinforced

*The “ULTEM™ and 9085 trademarks are used under license from SABIC, its affiliates or subsidiaries.

Carbon Fiber : $150/50cc

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