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Print fails with "frayed" ends
  • Oh, first hand experience with this model, nice. In that case, I'll put drying the filament and printing with open enclosure, which someone else suggested, to the top of the list. Thank you.

  • Print fails with "frayed" ends
  • Yes, we have an enclosure, but that wasn't a problem so far. I'll add it to the things to try. Thank you. :)

  • Print fails with "frayed" ends
  • Oh, that makes sense. I'll try with lower temperatures.

  • Print fails with "frayed" ends
  • I'm using manufacturer (model designer and filament manufacturer) provided files. If I remember correctly, I tried a lower speed, but I will experiment more with the speed since it was suggested so often. I think, it should be a constant speed, since it's all external perimeter and looks to be set to a constant value.

  • Print fails with "frayed" ends
  • I assume, a clog would be obvious to notice? I don't think it was clogged. I did multiple attempts back to back and it started the next attempt without problem at layer 1. As someone, who is rather an amateur, I don't see anything special about this layer.

  • Print fails with "frayed" ends
  • It's not vase mode, but the model creator designed it to print layers without retraction. It only does a retraction to start the next layer.

  • Print fails with "frayed" ends
  • Last time I tried, I think, I did multiple attempts back-to-back and starting again at layer 1 was no problem, so I don't think it was clogged. I'll experiment more with temperature and speed like you and others suggested.

  • Print fails with "frayed" ends
  • The layer doesn't look unusual compared to the previous layers, but thanks for the suggestion.

  • Print fails with "frayed" ends
  • The feed should be alright. The spool is mounted above the printer, and its movement should not be restricted and the filament comes vertically down like this.

    I'll experiment with temperature and speed, like you and others recommended.

    Looking into the 3mf file, the layer height is constant at 0.3 mm.

    Thanks.

  • Print fails with "frayed" ends
  • Do you mean the exact same model but another filament like regular PLA? Other models with regular PLA is no problem.

  • Print fails with "frayed" ends
  • Other commenters also suggested to experiment with temperature. We'll also do some speed tests. Thanks.

  • Print fails with "frayed" ends
  • Not yet, another commenter also suggested this. I assumed new filament to be dry. We'll try that, if nobody else has a definitive answer.

  • Print fails with "frayed" ends
  • It's LW-PLA, that foams, could be necessary for the foaming. We just used the filament by the manufacturer with their model files and presets.

  • Print fails with "frayed" ends
  • Good idea. I would have expected new filament to be dry. If nobody else comes along and says: It's definitely 'this', we'll try to dry it. Thanks.

  • Print fails with "frayed" ends
  • First layer 240 deg Celsius, other layers 245 degrees.

  • Print fails with "frayed" ends

    Hi, I've tried to print a model plane for my father. It's this model, using this LW-PLA right after purchase.

    As you can see in the image of this post, the print is going well until it reaches a certain layer, where the filament does not get deposited properly for the entire layer, only intermittently. The following layers then, of course, have the same problem and I get this failed print with these "frayed ends". Additional attempts failed the same way at a similar layer count.

    If someone has some experience with lightweight PLA (LW-PLA) and knows what can be done to solve this, I and my father would greatly appreciate the help.

    Thanks in advance.

    Edit: Additional info: I'm using the PrusaSlicer files from the linked page. Edit2: The printer is Prusa Mk4.

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