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

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.

The infill settings you use for your 3D prints can make or break them - literally. Let&#39;s talk about what infill does and how you should use it.<p><img src="https://www.engadget.com/img/gallery/what-is-infill-in-3d-printing-and-is-it-necessary/intro-1790701740.jpg" /></p>