BLOBS / ZITS ON BAMBU LAB P1S WITH PETG- COMMUNITY FIXES
50 posts in our dataset matching Bambu Lab P1S + PETG + blobs / zits.
We pulled the 50 matching cases from r/FixMyPrint and ranked the fixes by how often they were OP-confirmed or top-voted. Use these as a starting point - the deterministic engine on Fix My Print can adjust your specific slicer settings.
TOP CONFIRMED FIXES
Confirmed on Bambu Lab P1S with PETG
- #1
Reduce retraction distance
Confirmed by 1 userSuggested in 11 posts13% success rate - #2
Calibrate flow rate
Confirmed by 1 userSuggested in 7 posts25% success rate - #3
Tune pressure advance
Confirmed by 1 userSuggested in 4 posts33% success rate - #4
Increase nozzle temperature
Confirmed by 1 userSuggested in 2 posts50% success rate - #5
Dry the filament
Suggested in 14 posts
Full Failure Guide
Want the full breakdown of blobs / zits - what causes it, how to diagnose it on the bed, and the fixes by cause? Read the failure guide.
Read the Blobs / Zits guideFIX YOUR BAMBU LAB P1S NOW
Run a personalized diagnosis. The engine knows your printer's limits and PETG's working range, and returns exact slicer adjustments instead of generic advice.
Run a personalized diagnosis