When baking a cake, what you put in isn’t the same as what you get out. Biting into soft golden sponge doesn’t taste like egg or flour or sugar; it tastes like cake – or it should if you follow the recipe. Additive manufacturing is a little bit like that. You may know your ingredients at the start – the material, the design, the oven you’re using – but there’s chemistry and physics happening in between, a recipe, that causes the part to become something new. It depends heavily on precision. There’s variabil
Source: NDT