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Reinforce parts with continuous fiber for amazing properties through our second print head. You have a choice of four fiber materials for tremendous boost in strength, toughness and other properties for the most advanced uses any 3D printer can provide.


Some Markforged printed parts start with a base plastic filament extruded from our print head. Parts made of plastics alone have excellent engineered properties such as toughness, stiffness, stability and strength over other plastic printers.

Carbon Fiber CFF Spools

Carbon Fiber

For The Strongest & Lightest 3D Printed Parts Available

Carbon fiber composites are well-known as a high performance, superior and lightweight material. Markforged gives you the only way to 3D print continuous carbon fiber for the most impressive of properties. This is our showcase and most advanced material, with the highest strength to weight ratio for 10 times the strength of Onyx alone. Carbon fiber reinforcement is perfect for applications requiring the greatest possible stiffness and strength but as light as a feather.

+ Product Specs
Available in 50cm3 CFF (Continuous Filament Fabrication) Spools
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Compatible Printers