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5 hidden 3D printing failures that aren't actually hardware problems

Is your 3D printer failing to produce perfect prints? It's time to look beyond hardware.
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This is why the first layers of your 3D prints are sagging and how you can fix it

It can be frustrating to prepare your 3D model, start 3D printing, only to realize that the first few layers of the print are sagging or just plain messy. Sagging of the first layers of the print is ...