1. Smart 3D Printing Research Team, Korea Electrotechnology Research Institute (KERI), Changwon-si, Gyeongsangnam-do 51543, Republic of Korea
2. Electro-Functional Materials Engineering, University of Science and Technology (UST), Changwon-si, Gyeongsangnam-do 51543, Republic of Korea
3. Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulju-gun, Ulsangwang-yeogsi, Ulsan 44919, Republic of Korea