Yue Xie received his BS in computer sci- ence from Jiangnan University, China in 2008. He is currently a PhD student in com- puter science at Zhejiang university, China. His research focuses on computer-aided design. Ye Yuan received his BS in computer sci- ence from Zhejiang University, China in 2015. From September 2015, He became a master student in computer science at Carnegie Mellon University, USA. His re- search interests include physically based simulation, rendering and animation. E-mail: xchen.cs @gmail.com,Xiang Chert received his PhD in computer science from Zhejiang University (ZJU), China in 2012. He is currently an as- sistant professor in the College of Com- puter Science and Technology, ZJU. His research interests include fabrication-aware design, image analysis/editing, shape mod- eling/retrieval and computer-aided design. Changxi Zheng received his PhD in com- puter science from Cornell University, USA in 2012. He is currently an assistant professor in Computer Science Department in Columbia University, USA. His research interests include computer graphics, scien- tific computing and robotics. Kun Zhou is a Cheung Kong Professor in the Computer Science Department of Zhe- jiang University (ZJU), China, and the di- rector of the State Key Lab of CAD&CG, China. Prior to joining ZJU in 2008, he was a leader researcher of the Internet Graphics Group at Microsoft Research Asia, China. He received his BS degree and PhD degree in computer science from ZJU in 1997 and 2002, respectively. His research interests are in visual computing, parallel computing, hu- man computer interaction, and virtual reality. He currently serves on the editorial/advisory boards of ACM Transactions on Graphics and IEEE Spectrum. He is a fellow of IEEE.