Strange separations of the filament on the print aka holes
 
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radianrad
(@radianrad)
Active Member
Strange separations of the filament on the print aka holes

 

I’m seeing this issue on all prints and in several materials  I believe it may be an issue with the extruded but not sure. All parts come out looking like this to come degree. The imagine should allow for zooming enough to see mushroom headed severed ends in the affected areas.

Ideas?

Posted : 21/04/2022 1:12 pm
Bob
 Bob
(@bob-2)
Reputable Member
RE: Strange separations of the filament on the print aka holes

Other than those gaps the print looks fantastic.  I don't know if this is a fix, but you can check your calibration and see what's going on.  There is a good tutorial here:

https://all3dp.com/2/extruder-calibration-6-easy-steps-2/

That'll walk you through it.

Cheers

-Bob

Prusa I3 Mk2 kit upgraded to Mk2.5s, Ender3 with many mods, Prusa Mini kit

Posted : 21/04/2022 1:32 pm
Chris Laudermilk
(@chris-laudermilk)
Estimable Member
RE: Strange separations of the filament on the print aka holes

I've seen it mentioned to check your retractions for that kind of surface flaw. No expertise in it myself, but it's something to look at.

Mini+ (kit) - Revo Micro

Posted : 21/04/2022 2:08 pm
radianrad
(@radianrad)
Active Member
Topic starter answered:
RE: Strange separations of the filament on the print aka holes

For sure! Looks great otherwise, but the holes are very bad in places.

I'll give this a shot. Thanks!

Posted : 21/04/2022 3:38 pm
radianrad
(@radianrad)
Active Member
Topic starter answered:
RE: Strange separations of the filament on the print aka holes

I'm at the default retraction of 3.2mm. Would you try more or less?

Posted : 21/04/2022 3:39 pm
sandysasmita
(@sandysasmita)
Trusted Member
RE: Strange separations of the filament on the print aka holes

Change the retraction from default 3.2mm to 2.0mm... it should works for prusa mini.

Posted : 21/04/2022 10:09 pm
radianrad
(@radianrad)
Active Member
Topic starter answered:
RE: Strange separations of the filament on the print aka holes

This did it! The results are astounding. Thank you much.

Posted by: @sandysasmita

Change the retraction from default 3.2mm to 2.0mm... it should works for prusa mini.

 

Posted : 23/04/2022 9:18 pm
remington and languer liked
languer
(@languer)
Trusted Member
RE: Strange separations of the filament on the print aka holes

Thank you @radianrad for posting your results.

And thanks @sandysasmita for providing the solution. I had followed your postings in Reddit for this as well: Weird holes peppered throughout print

Posted : 24/04/2022 11:45 pm
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