1. Singapore Centre for 3D PrintingSchool of Mechanical and Aerospace EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
2. College of Mechanical and Vehicle EngineeringHunan University Changsha 410082 China
3. State Key Lab of Materials Processing and Die and Mould TechnologySchool of Materials Science and EngineeringHuazhong University of Science and Technology Wuhan 430074 China
4. Engineering Product Development PillarSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore