Fiber Reinforced 3D Printer Filament

Shop fiber reinforced 3D printer filament in Canada for strong, rigid and dimensionally stable functional parts. Spool3D carries both carbon fiber reinforced filament and glass fiber reinforced filament in a range of engineering thermoplastics for prototyping, tooling, automotive components, jigs, fixtures and demanding mechanical applications.

Fiber reinforcement changes the mechanical behaviour of the base polymer, typically increasing stiffness and dimensional stability while producing a distinctive matte or technical surface finish.

Carbon Fiber 3D Printer Filament

Carbon fiber filament combines a thermoplastic base material with short carbon fibers.

The added reinforcement can significantly increase stiffness and help printed parts maintain their shape under load compared with the unfilled base polymer.

Carbon fiber reinforced filament is particularly useful for:

• Functional prototypes
• Jigs and fixtures
• Automotive parts
• Robotics
• Drone components
• Tooling
• Structural brackets
• Mechanical assemblies
• Lightweight components
• Production aids

Carbon-filled materials also commonly produce a matte, textured surface that gives finished prints a clean technical appearance.

Glass Fiber 3D Printer Filament

Glass fiber filament uses short glass fibers to reinforce the base thermoplastic.

Glass fiber composites can provide increased rigidity, dimensional stability and mechanical performance while retaining characteristics of the underlying polymer.

Typical applications include:

• Mechanical components
• Industrial prototypes
• Brackets
• Enclosures
• Machine parts
• Fixtures
• Automotive components
• Replacement parts
• Functional assemblies

Glass fiber reinforced materials are often chosen where stiffness and dimensional stability are priorities.

Carbon Fiber vs. Glass Fiber Filament

Both carbon fiber and glass fiber filament are reinforced composites, but they offer different characteristics.

Choose Carbon Fiber Filament When:

• Low weight is important
• High stiffness is required
• Dimensional stability matters
• A matte technical finish is desirable
• The part is designed for functional or structural use

Choose Glass Fiber Filament When:

• Increased rigidity is required
• Dimensional stability is important
• The application involves mechanical or industrial parts
• You want a reinforced alternative to the unfilled base polymer

The best choice depends on the base material, printer configuration and requirements of the finished component.

Fiber Reinforced PLA Filament

PLA carbon fiber filament combines the ease of printing associated with PLA with increased stiffness and a matte composite finish.

It is a practical choice for:

• Prototypes
• Drone components
• Robotics
• Jigs
• Fixtures
• Display parts
• Lightweight structural models

PLA-CF is generally easier to print than many high-temperature engineering composites, making it a good introduction to reinforced filament.

Fiber Reinforced PETG Filament

PETG carbon fiber filament combines PETG's durability with added rigidity from carbon fiber reinforcement.

It is useful for functional parts that need a balance of strength, dimensional stability and relatively straightforward printing.

Applications include:

• Brackets
• Enclosures
• Functional prototypes
• Machine components
• Workshop parts
• Fixtures

Fiber Reinforced ABS Filament

ABS carbon fiber and ABS glass fiber filament combine the heat resistance and toughness of ABS with added reinforcement.

These materials are well suited to:

• Automotive components
• Functional prototypes
• Enclosures
• Workshop tooling
• Mechanical parts
• Industrial fixtures

An enclosed printer is recommended for ABS-based composites because the base material is prone to warping.

Fiber Reinforced Nylon Filament

Carbon fiber and glass fiber reinforced nylon are popular engineering materials for strong, wear-resistant functional parts.

Spool3D carries reinforced nylon materials based on PA6 and PA12 formulations.

Typical applications include:

• Gears
• Bushings
• Brackets
• Mechanical components
• Robotics
• Functional prototypes
• Jigs and fixtures
• Replacement machine parts

Nylon is highly hygroscopic, so reinforced nylon filament should be kept dry before and during printing for best results.

ASA Carbon Fiber Filament

ASA carbon fiber filament combines the outdoor durability and UV resistance of ASA with the stiffness and dimensional stability of carbon fiber reinforcement.

This makes it particularly useful for:

• Outdoor brackets
• Automotive components
• Exterior enclosures
• Functional prototypes
• Weather-exposed parts

An enclosed printer is recommended for ASA-based composites.

Polycarbonate Carbon Fiber Filament

Polycarbonate carbon fiber filament is intended for demanding applications where high stiffness, heat resistance and strength are required.

Typical uses include:

• Tooling
• Mechanical assemblies
• Production fixtures
• Engineering prototypes
• Automotive applications
• High-temperature functional parts

Polycarbonate composites generally require higher nozzle and bed temperatures than PLA or PETG and perform best on printers designed for engineering materials.

Abrasion-Resistant Nozzles Recommended

Carbon fiber and glass fiber are abrasive additives.

Repeated printing with reinforced filament can quickly wear a standard brass nozzle, which can affect extrusion accuracy and print quality.

For frequent use, we recommend a wear-resistant nozzle such as:

• Hardened steel
• Tungsten carbide
• Other abrasion-resistant nozzle materials

Always confirm that the nozzle and hotend are compatible with the printing temperature required by the selected filament.

Printing Fiber Reinforced Filament

For reliable results with carbon fiber and glass fiber materials:

• Keep filament dry
• Use a wear-resistant nozzle
• Follow the recommended nozzle temperature
• Confirm heated-bed requirements
• Use an enclosure where recommended
• Reduce print speed if extrusion becomes inconsistent
• Check the manufacturer's recommended nozzle diameter
• Use appropriate bed adhesion for the base polymer

The correct settings depend primarily on the underlying thermoplastic.

Choosing the Right Base Material

Fiber reinforcement does not replace the characteristics of the base polymer.

Choose PLA-CF for easy printing and high stiffness.

Choose PETG-CF for durable functional parts with relatively easy processing.

Choose ABS-CF or ABS-GF for stronger heat-resistant components.

Choose Nylon-CF or Nylon-GF for demanding mechanical parts and wear applications.

Choose ASA-CF for reinforced outdoor parts.

Choose PC-CF for high-strength, heat-resistant engineering components.

Buy Fiber Reinforced Filament in Canada

Shop carbon fiber and glass fiber reinforced 3D printer filament in Canada from Spool3D in Calgary, Alberta.

Our fiber reinforced filament selection includes composite materials based on PLA, PETG, ABS, Nylon, ASA and Polycarbonate for everything from everyday functional prototypes to demanding engineering applications.

Browse our available fiber reinforced 1.75 mm 3D printer filament above.