Design and optimization of sinusoidal-grid infill for 3D printed continuous fiber composite structures

Qingxi Hu, Shichao Wu, Haiguang Zhang, Rapid Manufacturing Engineering Center, Mechatronic Engineering and Automation of Shanghai University, Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University

Journal of Reinforced Plastics and Composites

Published online on February 09, 2026

Abstract

Journal of Reinforced Plastics and Composites, Ahead of Print.
Additive manufacturing technology is often used to manufacture complex structures. With this technology, continuous fibers can be printed flexibly. In this study, a grid filling method for 3D printing continuous carbon fibers is proposed. This method ...