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Idiot's Guides: 3D Printing by Cameron Coward

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CHAPTER7

The Extruder

In This Chapter

  • How FFF extrusion works
  • Different types of cold ends and hot ends
  • Changing nozzles
  • When to use a print fan
  • The benefits of multiple extruders

Extrusion is the key to FFF (and FDM) 3D printing. It’s what separates the FFF printing process that is so common in consumer printers from the other processes that are used in more expensive 3D printers. Extrusion itself is used in many ways in manufacturing, but the technique has been fine-tuned for 3D printing in FFF printers. In this chapter, I cover how extrusion works and how it affects your prints.

What Is Extrusion?

In general terms, extrusion is any process ...

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