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How does a 3D printer work?

One of the most anticipated and spectacular innovations of recent years has undoubtedly been the emergence of 3D printers and their current incorporation into homes and businesses. Although it is not a product that everyone knows how to handle with the same ease, because it requires design skills if you want to make “homegrown” pieces. Currently there are many places and communities of designers where you can get STL files to be able to print them with a 3D printer.

But the biggest question of all when we see a machine like these is, how does it work?

The 3D printer heats the part called “fuser” at temperatures ranging from 180-230 ° C to melt the plastic filament that is being introduced little by little. This in turn, is deposited on a printing surface while moving on its X and Y axes (movements from right to left, forward and back) thanks to coordinates generated from an STL.

Also when we see one of these machines working we ask another question, how does the piece get height?

The printer operates by layers, ie each layer is composed of a series of displacement coordinates to be completed. Once done, the printer moves its Z axis (depending on which models in one direction or another) to a distance of 0.1-0.3 millimeters (depending on the quality chosen) to make the next layer.

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