Beginner-friendly 3D printing guides, troubleshooting fixes and honest printer reviews. Learn how your printer works and get great prints faster.https://nozzleschool.com/https://nozzleschool.com/blog/3d-printing-for-beginners/https://nozzleschool.com/blog/3d-printing-for-beginners/Everything you need to start 3D printing: how printers work, choosing your first one, setup, slicing, first prints and the mistakes to avoid.Fri, 16 Oct 2026 00:00:00 GMThttps://nozzleschool.com/blog/how-to-fix-stringing/https://nozzleschool.com/blog/how-to-fix-stringing/Why 3D prints get stringy and how to fix it step by step: drying filament, temperature, retraction, travel moves and hardware, with slicer settings.Fri, 16 Oct 2026 00:00:00 GMThttps://nozzleschool.com/blog/how-to-level-a-3d-printer-bed/https://nozzleschool.com/blog/how-to-level-a-3d-printer-bed/How to level a 3D printer bed by hand with the paper test, how auto bed leveling and mesh compensation work, and what to do when it still fails.Fri, 16 Oct 2026 00:00:00 GMThttps://nozzleschool.com/blog/parts-of-a-3d-printer/https://nozzleschool.com/blog/parts-of-a-3d-printer/What every part of an FDM 3D printer does, from extruder and hotend to stepper motors and the build plate, and what goes wrong when one fails.Fri, 16 Oct 2026 00:00:00 GMThttps://nozzleschool.com/blog/what-is-z-offset/https://nozzleschool.com/blog/what-is-z-offset/What Z offset is, why it decides whether your first layer sticks, and how to set it on any printer with live adjustment, menus and test prints.Fri, 16 Oct 2026 00:00:00 GMT