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The introduction of 3D printing has changed the traditional manufacturing methods in the industries. It creates a revolution in the manufacturing sectors. Even, though it is expensive, these are used to built prototype s and in simple part making. First a product or a part is tested by creating a prototype, analyze it and then only they start to make the real part production. It reduces the material wastage. We can also use these along with some other process by changing the software and hardware. It has enormous applications in automotive, aviation, aerospace, medical, and in crafting.