If you've ever walked back to your 3D printer only to find a tangled mess of plastic instead of your model, you've experienced what the 3D printing community calls "spaghetti." It's one of the most common and frustrating 3D printing failures — your printer keeps extruding filament, but the plastic has nowhere to go, creating a bird's nest of wasted material.
The good news? Spaghetti is almost always preventable once you understand what causes it. In this guide, we'll cover every cause of spaghetti in 3D printing and give you step-by-step fixes for each one.



