A part breaks at a factory. An engineer needs a new design for a rocket engine. A medical team needs a tool with a shape that is hard to make. These are a few situations where metal 3D printing can help. Making metal parts with additive manufacturing is another option for engineers. It helps when a part has a tough shape. This method is used in aerospace and in cars. You also see it in healthcare and in energy. In other areas, it is used too.
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