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Carbon Fiber Filament

Made up of short fibers infused into PLA or ABS to increase strength and rigidity
Overview | Positives & NegativesHardware Requirements

An Overview of Carbon Fiber Filled Filament

Carbon fiber filaments use tiny fibers that are infused into a base material to improve the properties of that material. Several popular filaments can be bought with carbon fiber fill including PLA, PETG, Nylon, ABS, and Polycarbonate. These fibers are extremely strong and cause the filament to increase in strength and stiffness. This also means that the 3D printed parts will be much lighter and more dimensionally stable, as the fibers will help prevent shrinking of the part as it cools. 

Print settings, such as printing temperature, speed, bed adhesion, and extrusion rates will be very similar to the normal settings used for the base material that the fibers were added to (for example, the stock PLA settings would be a good starting point for PLA-based carbon fiber filament). However, due to the added fibers, these specialty materials are more likely to clog and can require special hardware to avoid damaging the printer.

Positives
  • Increased strength and stiffness
  • Very good dimensional stability
  • Lightweight
Negatives
  • Abrasive and requires hardened steel nozzle
  • Increased oozing while printing
  • Increased brittleness of filament
  • Higher tendency to clog

Typical Hardware Requirements

Printer Bed

Temperature: 45-60 °C
Heated Bed Optional
Enclosure not required

Build Surface

Painter’s tape
PEI
Glass plate
Glue stick

Filament Extruder

Temperature: 200-230 °C
Requires Wear Resistant Hardened Steel Nozzle

Cooling Fan

Cooling Fan Required

Getting Started

Common Applications

  • R/C Vehicles
  • Functional prototypes
  • Decorative pieces
  • Lightweight Props

Popular Brands

  • Proto-Pasta Carbon Fiber Reinforced PLA
  • Matterhackers NylonX
  • 3DXTECH

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