Aleksandra Lipińska presented the lecture “Find seven differences. A multidisciplinary approach to the reconstruction of the multiplying process in late medieval sculpture” on 14. April 2023 on behalf of the Materi-A-Net research team (Wolfram Kloppmann, Thomas Hildenbrand, Roland Olivier, Gilles Venturini) at the conference ” Variety, Variation, Multiplication. Imaging Techniques in Premodern Art and their Products” at the TU Berlin.