Artefacts and uneven lines on wall

Hey guys, I got myself an X1 Carbon not too long ago. So far super satisfied, but now after a few hours of printing artefacts or uneven lines can suddenly be seen on the outer wall. However, it only comes from a certain height. I printed the part in vase mode and at a speed of 100mm/s. Layer height: 0.2mm. I have already carried out the complete calibration several times and set the flow etc. However, it is strange that it only appears from a certain height. Unfortunately, I don’t know any more :confused:
I hope that one of you can help me :slight_smile:

Thank you in advance!


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I may not have a clue what I am asking for since I have never used vase mode, but can you supply some screenshots of this print sliced using the same orientation of the pictures you supplied?

These artefacts cannot be seen on the outer wall of the sliced model

Hi Lukas,

I don’t do vase mode printing but with the 0.4 wall and as long as that part is the wall is most likely moving and shifting around plus you have fans blowing at it 100% with pla.

This is what I would try.

Layer height 0.28
Outer wall line width 0.8
Set Volumetric speed @ 10.36 this will cap the speed @ 50 mm/s
or
Set Volumetric speed @ 6.21 this will cap the speed @ 30 mm/s

Another options is to get a bigger nozzle.

Ok thank you :slight_smile: I will try again with these settings