February 2013
Intermediate to advanced
320 pages
8h 22m
English
Content preview from Fabricated: The New World of 3D PrintingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5
Printing in layers
This chapter is for the technically inclined, for those who want to dig into the mechanical mysteries of the 3D printing process. Otherwise, the brief explanation of printing technology we’ve already provided is all you need to enjoy the rest of this book so feel free to skip ahead.
The formal industry name for 3D printing, additive manufacturing, is actually quite descriptive of how these machines work. “Additive” refers to the fact that 3D printing methods fabricate objects by either depositing or binding raw material into layers to form a solid, three-dimensional object. “Manufacturing” refers to the fact that 3D printers create these layers according to some kind of predictable, repeatable, and systematic process.
A 3D printer can be small enough to fit into a tote bag or the size of a small mini-van. Printers can range in cost from a few hundred dollars to half a million dollars. Their unifying trait is that they follow instructions from a computer to place raw materials into layers to form a three-dimensional object.
A manufacturing process at heart
At its heart, 3D printing is a manufacturing, not a printing, process. That’s why we were intrigued when we heard that a global company, ABC Imaging added 3D printing to its service offerings. To learn more, we contacted John T. Lee, the man who manages ABC’s 3D modeling and rapid prototyping services. John agreed to walk me through the 3D printing process at ABC’s headquarters in Washington, DC.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.