How can I prevent this?

I’m printing a Batwing, 0.1 layer height, dry filament, speed set to 150mm max, but for some reason at bottom of the model the lines are awful, I have slow down enable and overhangs to be slower and fan set to 90% for overhangs. Its done this to a different model also, but it can be fine with a similar model. Any ideas/tips be amazing.


I would try the following:

  1. make sure you selected the correct build plate. I had a similar looking first layer when there was a different build plate selected in the print profile I downloaded from makerworld and did not change it to the structured PEI plate before printing.
  2. Could be a problem with the build plate. Clean it with some detergent and make sure you don’t touch the surface afterwards.
  3. do a complete bed calibration from the printer menu
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