1. The George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta GA 30332 USA
2. Visual Computing Center King Abdullah University of Science and Technology Thuwal 23955–6900 Saudi Arabia
3. Singapore Centre for 3D Printing School of Mechanical and Aerospace Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
4. ICB CNRS 6303 Univ. Bourgogne Franche‐Comté UTBM Belfort 90010 France
5. Department of Mechanical Engineering Stanford University Stanford CA 94305 USA