The composite extruder for method brings all the benefits of printing nylon carbon fiber parts to the makerbot method 3d printer. Ideal for structural applications and metal replacement parts.strong, heat-resistant metal replacement parts .carbon fiber reinforced nylon is optimized for high strength, stiffness, and heat resistance making it ideal for structural applications and metal replacements. .excellent strength to weight ratio – 110 mpa ts – for lightweighting applications such as robotic end effectors.engineering-grade stiffness – 7600 mpa tensile modulus – for structural applications such as vehicular brackets and inspection gauges. High heat resistance under load – 184c hdt – for optimal under-hood and tooling applications.