What is infill in 3D printing and is it necessary?

As reported by Engadget · Updated 4 Oct, 14:15 · Archive

The infill settings you use for your 3D prints can make or break them - literally. Let's talk about what infill does and how you should use it.

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• What is infill in 3D printing and is it necessary?Engadget · 4 Oct, 14:15