There are also those major problems. Metal flows too freely when melted. Also, there is the problem with oxidation, thermal expansion, etc...
The only feasible "metal 3d printing" seems to be SLS (Selective Laser Sintering), but unfortunately there are a bunch of patents restricting that process...
Eric
Holes and pockmarks in print walls
06-04-2024, 09:14 AM in General 3D Printing Discussion