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Weird top surface


cloakfiend

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Posted · Weird top surface

Just curious but does the new cura still have this issue? I'm using 4.4.1 but have now reverted back to 3.4.9.9 for obvious reasons. Top 4.4.1, bottom is 3.4.9.9 I guess ill uninstall 4.4 1 either way as I can't trust it anymore.

 

 

 

Screenshot (306).png

Screenshot (305).png

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    Posted (edited) · Weird top surface
    51 minutes ago, ungutknut said:

    Are you 100% sure your model is watertight? I can have a look at it if you find a way to upload it somewhere.

     

    Yep its simply two extruded objects one inside the other. It appears (its fact) that cura 3.4 has no issues which is why i believe cura 4.4 is the problem.

    I already prited it from 3.4 wont 'upgrade' until this issue is sorted for obvious reasons, as i often use intersecting geometry.

    Edited by cloakfiend
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    Posted · Weird top surface

    By watertight I actually mean manifold which it wouldn't be if you just extruded your objects just into another (depending on your modeling software). In case you didn't use boolean operators then this would rather likely be the cause of your problem.

     

    The fact that it worked on a different version doesn't proof the models integrity since some of these models are quite unpredictable when it comes to slicing them. As a simple check you can try out enabling/disabling "union overlapping volumes" in the "mesh fixes" section. It doesn't solve these issues reliably but it's worth a try.

     

    If your issue is not mesh-related, there might be 2 further options to investigate; both sometimes causing problems with removed top surfaces: "skin removal width" and "skin expand distance".

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    Posted · Weird top surface

    Ah thanks for the info. I just tend to knock out tests quickly and cant be bothered to merge or create booleans as text in a box shouldnt be too challenging to print from historical attempts. I have an issue with stuff that alters way it did to previous versions unless its better  and this definitely isnt. So rather than waste time trying to solve a problem in didnt have in any previous version ill practice what i preach and just use the older version which i have no issue with other than interface problems.

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    Posted · Weird top surface

    You're missing a lot of really useful new features though. Cure has come a long way since 3.4.

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    Posted · Weird top surface

    Ill try the union thing out then also is there a remove layer touching buildplate option or turn first layer into infill option as i really would like that for large models that i dont want to waste hours on building the base.

    And thanks again for the useful information! Ill be back if it doesnt work! Lol.

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    Posted · Weird top surface

    I've got the same problem with 4.11. If that's an artifact I created it is certainly odd, zizzag and the red outer wall shows up inside.

     

     

    Image1.jpg

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    Posted · Weird top surface

    Ive simply gone back to using 3.4. The new curas have a problem with non unioned geometry from booleans in my experience. If it aint broke... dont fix it. I just use what works best or simply works.

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