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lucatz70
(@lucatz70)
Active Member
Line in Print (not line"s")

Hello,

Curently printing a piece with a MK3s that is about a month old and noticed a line as show in picture and some deviation artifacts. What is causing these as they do not show in prusaslicer...?Important to note that that line goes the whole way round and is right above an 5mm feature

Thank You

Luca

Posted : 10/12/2019 9:54 pm
lucatz70
(@lucatz70)
Active Member
Topic starter answered:
RE: Line in Print (not line"s")

Hello All,

Seems to be a Slicer (PrusaSlicer 2.10) issue as same print from same gcode has same issue. 

Any thoughts

Tks

Luca

 

Posted : 11/12/2019 4:32 pm
lucatz70
(@lucatz70)
Active Member
Topic starter answered:
RE: Line in Print (not line"s")

Guess I need to find another forum 🙁

Posted : 12/12/2019 1:49 pm
bobstro
(@bobstro)
Illustrious Member
RE: Line in Print (not line"s")

Try slowing speeds down, particularly external.perimeters, and consider adding another perimeter.

Does the line correspond to any internal features such as changes in infill or transition from solid to open? 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 12/12/2019 2:18 pm
lucatz70
(@lucatz70)
Active Member
Topic starter answered:
RE: Line in Print (not line"s")

@bobstro

Hi bobstro,

Yes at that point it was solid(with Infill) then opens up. I printed another causes i needed 2 and the second is slightly worse but was printed at 75% of normal speed. Was set via rotary dial on Mk3s. I have also ordered PEI smooth sheet to print PLA on as I have issues with this piece un-sticking and becoming a mess. Using glue and lowering temp to 50C from 60C helped greatly. Might also try lowering head temp to 190 or something to prevent warping. You suggest going to 3 perimeters instead of 2? And slowing did not seem to help in this case although it did help with the nozzle not gringing the infil pattern for the first few layers, almost as if it was not laying down the second layer of infill correctly. So decided to slow it down to 75% which helped...

Thanks

Luca

Posted : 12/12/2019 9:59 pm
bobstro
(@bobstro)
Illustrious Member
RE: Line in Print (not line"s")

Try a 3rd perimeter to see if it helps (along with slowing down external perimeters - I use 25mm/s). You don't have to use these settings, but it's nice to verify that you can if you need better external wall quality.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 12/12/2019 11:47 pm
lucatz70
(@lucatz70)
Active Member
Topic starter answered:
RE: Line in Print (not line"s")

@bobstro

Thank You! I will try these with some other prints i have and see how it goes...

Regards

Luca

Posted : 13/12/2019 1:10 am
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