There is a solution for "printing" magnetic domains in a base magnet, maybe a printable material could be devised such that later on a "magnet writing head" cou

There is a solution for "printing" magnetic domains in a base magnet, maybe a printable material could be devised such that later on a "magnet writing head" could create whatever magnets are needed. https://youtu.be/drD416THU7Y https://youtu.be/drD416THU7Y