1. Department of Mechanical Engineering, National Taipei University of Technology, Taipei, Taiwan.
2. Additive Manufacturing Center for Mass Customized Production, National Taipei University of Technology, Taipei, Taiwan.
3. Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei, Taiwan.
4. School of Dentistry, National Yang-Ming University, Taipei, Taiwan.
5. Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.