1. Robotics and Mechatronics group, Faculty of Electrical Engineering, Mathematics and Computer Science, University of Twente, Enschede, The Netherlands
2. Bond High Performance 3D Technology, Enschede, The Netherlands
3. Faculty of Science and Engineering, University of Groningen, Groningen, The Netherlands
4. Beijing Key Laboratory of Advanced Manufacturing Technology, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
5. Robotics and Mechatronics group, University of Twente, Enschede, The Netherlands