Dr. Shengxian Shi is an Associate Professor at the School of Mechanical Engineering, Shanghai Jiao Tong University, China. Dr. Tze How New is currently an Associate Professor at the School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore. Collectively, the authors have been working in fundamental fluid mechanics research and novel instrumentation development for more than 30 years. In this case, one of the authors’ research interests focused on developing new 2D and 3D particle image velocimetry, 3D surface measurements and related post-processing techniques, as well as their immediate applications in a wide range of fundamental and applied fluids engineering scenarios.