How can I avoid this hole in a single perimeter sloped wall?
 
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How can I avoid this hole in a single perimeter sloped wall?  

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Bas
 Bas
(@bas)
Trusted Member
How can I avoid this hole in a single perimeter sloped wall?

Hi, 

How can I avoid this hole in a single perimeter sloped wall?

The files are available from this post:

https://www.prusaprinters.org/prints/29094-remix-prusa-faceshield-with-cover-for-06mm-nozzle-

Cheers Bas

Publié : 10/04/2020 3:47 pm
bobstro
(@bobstro)
Illustrious Member
RE: How can I avoid this hole in a single perimeter sloped wall?

FWIW - Local hospitals have asked that we focus on the NIH-approved shield design, possibly for this very reason. I gave up on printing those add-ons for the Prusa RC3 frame.

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

Publié : 10/04/2020 3:57 pm
Peter M
(@peter-m)
Noble Member
RE: How can I avoid this hole in a single perimeter sloped wall?

You could try , detect thin walls.

Publié : 10/04/2020 4:55 pm
Bas
 Bas
(@bas)
Trusted Member
Topic starter answered:
RE: How can I avoid this hole in a single perimeter sloped wall?

@peter-m26

I did but the hole is still there. I am now testing thicker wall thicknesses of the cover. I hope that will solve the problem. I am running a test with 1 and 0.8 mm thickness.

Publié : 10/04/2020 5:57 pm
Patrick McNamara
(@patrick-mcnamara)
Estimable Member
RE: How can I avoid this hole in a single perimeter sloped wall?

@basbasbas

So it looks like your layer transition is right there.  The fact that it is leaving a gap makes me think that your retraction/coast settings are such that it's running out of material before the end of the layer.  The unretraction settings may, or may  not be incorrect as well.  Moving the layer start to a different place, or random, would likely "correct" the problem.  Though really it's more just hiding the problem.

Publié : 11/04/2020 2:40 pm
Bas
 Bas
(@bas)
Trusted Member
Topic starter answered:
RE: How can I avoid this hole in a single perimeter sloped wall?

@william-m51

Hi William, this is indeed the problem, but how can I change layer start? I have tried random, but it did not change the layer starts in prusaslicer.

Publié : 11/04/2020 2:44 pm
Patrick McNamara
(@patrick-mcnamara)
Estimable Member
RE: How can I avoid this hole in a single perimeter sloped wall?
Posted by: @basbasbas

@william-m51

Hi William, this is indeed the problem, but how can I change layer start? I have tried random, but it did not change the layer starts in prusaslicer.

That I don't know right off hand.  I haven't actually transitioned to prusaslicer yet.  🙂 🙂

Publié : 11/04/2020 2:54 pm
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