Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. References 1, , , , and , “Mechanical Properties and Flame Resistance of 3D-Printed Coextruded Continuous Carbon Fiber Reinforced Polycarbonate,” International Journal of Engineering 38, no. 8 (2025): 1953–1967, https://doi.org/10.5829/ije.2025.38.08b.19.