Participants at ESA's inaugural 3D bioprinting workshop, taking place at the Agency's ESTEC technical centre in September. From from left to right, back to front: Hugo de Oliveira, Adrian Dragu, Marcy Zenoby-Wong, Nieves Cubo Mateo, Brigitte Godard, Michael Gelinsky, Daniela Knickmann, Vladimir Mironov, Sandra Podhajsky, Jos Malda, Aleksandr Ovsianikov, Paul Gatenholm, ESA's Tommaso Ghidini, Alessandro Parolari.