Strange Line in Print, always in the same location. But doesn't occur on other models.
Hello everyone, I hope you can assist with this problem.
I 3D modelled a pumpkin jack-o'-lantern recently and I have printed a couple with almost perfect results. However, now I'm getting a strange, mysterious line appear roughly around the same height of the model. This has occurred twice now. I have printed other models over this height with no issues whatsoever. The model has been checked for any quirks. I have ensured that all of the bearings are cleaned and lubricated. There are no obstructions to each axis. Extruder is all fine. Belts are 270. Could it be a cooling issue? Prusa MK3S with MMU2S. Amazon Basics Orange PLA printed at 210 (first picture) and 205 (second picture).
Kind regards,
Lee
all, 
Print line
Does it always appear on this model? What is on the inside?
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Chuck H
3D Printer Review Blog