![]() Additive manufacturing is the opposite of ‘subtractive’ processes where material is removed (or subtracted) from a larger block to create the final object, for example CNC machining. You will often see the terms used to refer to the same manufacturing process. This adding up of layers gives 3D printing its alternative name – ‘additive manufacturing’. This will give a better-looking result, but take longer to print. A bit like pixels on a screen, more layers in a print will give a higher ‘resolution’. ![]() This file essentially contains ‘coordinates’ to guide the printer’s movements, both horizontally and vertically – also known as the X, Y, and Z axes.ģD printers can print these layers at different thicknesses, known as layer height. The most common file format for this is the G-code files. To make a 3D print, a digital file is needed that tells the 3D printer where to print the material. As each layer sets, the next layer is printed on top and the object is built up. How does 3D printing work?Īs we saw earlier, the 3D printing process involves building up layer upon layer of molten plastic to create an object. ![]() The development of more compact ‘desktop’ 3D printers and their affordable cost have also made the technology increasingly accessible over time. ![]() A 3D printed part in use in the automotive industry
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