This is the collection of materials created within the project GREENE, short for SINGLE-GRAIN RE-ENGINEERED ND-FE-B PERMANENT MAGNETS. GREENE is funded by the European Union. Views and opinions expressed are, however, those of the author(s) only and do not necessarily reflect those of the European Union or the European Health and Digital Executive Agency (HaDEA). Neither the European Union nor the HaDEA can be held responsible for them.