MediumExtrusionDetailed Fix
Over-Extrusion and Blobs Fix Guide
Diagnose blobs, zits, overfilled walls, rough seams, swollen details, and poor dimensional accuracy from flow, pressure, temperature, retraction, and filament issues.
Symptoms
- Blobs or zits on outer walls
- Corners look swollen
- Details look overfilled
- Seams are very obvious
- Dimensions are oversized
Likely causes
- Flow/extrusion multiplier too high
- Temperature too high
- Pressure advance not tuned
- Retraction or wipe behavior mismatch
- Wet filament causing inconsistent extrusion
Fast checks before changing settings
- Print a flow test or wall thickness test
- Lower temperature carefully
- Check seam settings
- Use Filament Advisor if surface is also fuzzy
- Change one slicer variable at a time
Safe fix path
- Check filament condition
- Run a flow test
- Tune temperature
- Tune seam/retraction behavior
- Save known-good profile
Related tools and next steps
Matched next step
Keep the useful workflow going.
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