Medium 15-40 min PLAPETGTPUABSASA

Rough Surface

The visible surface looks uneven, scratched, bumpy, or inconsistent.

Rough Surface example 1
Rough Surface example 2
Rough Surface example 3

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Likely causes

Filament is wet or inconsistent
Dry the filament and test with a known-good spool. Moisture often causes popping and rough texture.
Speed is too high for the material
Lower outer wall speed and acceleration. Give the hotend and motion system more time to produce clean lines.
Flow or temperature is not tuned
Tune temperature and flow with small test parts before changing many slicer settings at once.

Recommended settings by material

MaterialNozzleBedFan
PLA 195-210 C50-60 C80-100%
PETG 230-245 C70-80 C30-60%
TPU 220-235 C40-50 C30-50%
ABS 240-260 C95-110 C0-30%
ASA 240-260 C95-110 C0-30%

Prevention tips

Change one setting at a time and reprint a small test piece.

Keep filament dry and store open spools in sealed bags or dry boxes.

Clean the build plate regularly and verify the correct slicer profile before long prints.

Related problems

StringingWarpingFirst Layer Not Sticking

Last reviewed Jun 15, 2026. Troubleshooting content is for reference only.