3D printed magnets for neutron spin manipulationRichard Wagner, Laurids Brandl, Wenzel Kersten, Stephan Sponar, Yuji Hasegawa, Christian Huber, Florian Bruckner and Dieter SuessEPJ Web Conf., 219 (2019) 10008DOI: https://doi.org/10.1051/epjconf/201921910008