DIY 3D printers aren’t that difficult. It’s just two or three motors, a motion controller and a hot nozzle for most plastic printing. Replace the hot nozzle with a really epic laser for metal parts or possibly a stick welder. Even better with lithographic printing minus the really toxic fumes of the material. Take a really bright high resolution screen or maybe a projector and one motor and you got yourself a lithographic printer. Are you going to compete directly with cutting edge printers? Probably not. Will you still be able to make shit that works? Most likely after some tinkering.
DIY 3D printers aren’t that difficult. It’s just two or three motors, a motion controller and a hot nozzle for most plastic printing. Replace the hot nozzle with a really epic laser for metal parts or possibly a stick welder. Even better with lithographic printing minus the really toxic fumes of the material. Take a really bright high resolution screen or maybe a projector and one motor and you got yourself a lithographic printer. Are you going to compete directly with cutting edge printers? Probably not. Will you still be able to make shit that works? Most likely after some tinkering.