Spiral behavior changes after 3rd layer.
 
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Spiral behavior changes after 3rd layer.  

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matt
 matt
(@matt-24)
Member
Spiral behavior changes after 3rd layer.

As said in the title, up to the third layer, the slicer correctly detects and prints each section of the model separately:

After which point it picks prints a single section to print and ignores the others.

I would like that all layers behaved as the first 3, with all sections being printed.

Does anyone know why this happens and/or how to mitigate?

Thanks in advance.
3mf and stl: fin

Best Answer by Neophyl:

Top menu bar has options for Split to Objects and Split to Parts.  An Object in Prusa Slicer can be made up of multiple Parts.  At least some portion of 1 of those Parts has to touch the platter.  So if you Split to Parts the relative arrangement is preserved.

If you Split to Objects then each is now a separate Object and each Object must touch the platter so in effect all your 26 prts will all drop to the bed and you will lose the arrangement.

Posted : 15/01/2024 11:45 pm
Diem
 Diem
(@diem)
Illustrious Member

The object is a stack of 26 unconnected parts.  If you 'Split to parts' it will slice as you want ... but expect it to fall apart as you print it.  You could, in theory, print it with supports but as soon as you remove the supports it will again fall apart.

You need to go back to the original CAD and connect the parts in some way.

Cheerio,

Posted : 16/01/2024 3:35 am
matt
 matt
(@matt-24)
Member
Topic starter answered:
RE: Spiral behavior changes after 3rd layer.

> expect it to fall apart.

Once I solve this issue I will edit the stl so the gaps are 0.1mm, causing it to stick.

> Split to parts

What do you mean? Separate stl objects, import them and then try to assemble them in the correct location? This does not seem practical.

Or is that a tick box I should check somewhere?

Posted : 16/01/2024 1:17 pm
Neophyl
(@neophyl)
Illustrious Member
RE: Spiral behavior changes after 3rd layer.

Top menu bar has options for Split to Objects and Split to Parts.  An Object in Prusa Slicer can be made up of multiple Parts.  At least some portion of 1 of those Parts has to touch the platter.  So if you Split to Parts the relative arrangement is preserved.

If you Split to Objects then each is now a separate Object and each Object must touch the platter so in effect all your 26 prts will all drop to the bed and you will lose the arrangement.

Posted : 16/01/2024 1:55 pm
matt
 matt
(@matt-24)
Member
Topic starter answered:
RE: Spiral behavior changes after 3rd layer.

Split to parts did the trick!

Thank you.

Posted : 16/01/2024 2:43 pm
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