STLBEAST Hub ยท Programmatic FAQ v97
What Causes Blobs and Zits on 3D Prints?
Blobs and zits are commonly caused by seam settings, wet filament, pressure buildup, over-extrusion, high temperature, or inconsistent extrusion.
Fast answer
Blobs and zits are commonly caused by seam settings, wet filament, pressure buildup, over-extrusion, high temperature, or inconsistent extrusion.
1. Confirm the symptom
Look at the first failed area, the material, and the slicer profile before changing settings.
2. Fix the simple causes first
Check filament dryness, nozzle temperature, bed setup, belts, and the profile baseline.
3. Test one change at a time
Use a small calibration print so you can see which change actually improves the result.
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