1. School of Mechanical and Aerospace Engineering; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore
2. Singapore Centre for 3D Printing; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore
3. A*STAR's Singapore Institute of Manufacturing Technology (SIMTech); 2 Fusionopolis Way, Level 10 Innovis and Kinesis 138634 Singapore