Graphics Reference
In-Depth Information
Don't let this overwhelm you. I introduce you to all this later in the topic and show
you how easy it is to do. (And how much fun it can be, too!)
So, let's summarize what we know:
• 3D printers use motors to move a hot-end around.
• An extruder pushes plastic filament into the hot-end.
• Melted plastic exits the hot-end's nozzle onto a flat surface.
• Special software provides instructions to the motors that define a path for the
hot-end to follow.
• The hot-end follows the path multiple times to create layers.
If you've read and understood everything so far, you're off to a good start! There's
much more to learn; in the next chapter I introduce you to a very simple 3D printer
and some variations of other 3D printers. You'll also read explanations on the be-
nefits and drawbacks of different models, so you can make an informed decision
should you choose to purchase a 3D printer kit.
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