3D reconstruction of dynamic liquid film shape by optical grid deflection method L. Fourgeaud, E. Ercolani, J. Duplat, P. Gully and V. S. Nikolayev Eur. Phys. J. E, 41 1 (2018) 5 Published online: 15 January 2018 DOI: 10.1140/epje/i2018-11611-2