In this chapter, we’ll cover drafting, which is the process of creating technical drawings. Ideally, you’d be able to send a file containing your 3D model off to a machine shop or manufacturer to have it made, but in the real world, that’s rarely sufficient. Some of the reasons for this are practical. The manufacturer might not use the same CAD software as you do, in which case they couldn’t even open your original model file. It’s also entirely possible that they won’t use CAD at all.

Manual machining is still very common; the manufacturer might not touch a computer when they make your part. Even if they do use CAD, many shops prefer ...

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