TY - CPAPER DO - 10.22260/ISARC2019/0174 SN - 2413-5844 PY - 2019 DA - 2019/05/24 AU - Liu, Chang TI - 3D Printing Architectural Freeform Elements: Challenges and Opportunities in Manufacturing for Industry 4.0 T2 - Proceedings of the 36th International Symposium on Automation and Robotics in Construction (ISARC) PB - International Association for Automation and Robotics in Construction (IAARC) ED - Al-Hussein, Mohamed SP - 1298 EP - 1304 L1 - https://www.iaarc.org/publications/fulltext/ISARC_2019_Paper_248.pdf ER -