Stringy First Layer Above The Support . What To Do ??
 
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Stringy First Layer Above The Support . What To Do ??  

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Bearerik
(@bearerik)
Member
Stringy First Layer Above The Support . What To Do ??

I have problem with the first layer above the support. It's a large overhang parallel to the print bed.  It looks nice but it's stringy and it's loose (not attached to the second layer )  I'm printing with PLA+ on the Coreone . I'm using a 0.6mm HF obxidian nozzle and the 0.32mm speed profile in the prusa slicer . I have tried different Top Z distance, slower bridging speed and thick bridges . Any suggestions on what to try next ?? any help would be appreciated 🙂

Posted : 25/06/2025 3:15 pm
Raaz
 Raaz
(@raaz-2)
Estimable Member
RE: Stringy First Layer Above The Support . What To Do ??

We need pictures 🙂
In general, the larger the nozzle and the thicker the layers, the more the supports will stick to the layer above and the bigger the Z-distance needs to be.
It's normal to look quite ugly with a 0.6 mm nozzle. I'm wondering about the "It's loose, not attached to the second layer" part though..
But I can't judge it without seeing it.

Posted : 25/06/2025 10:13 pm
1 people liked
Bearerik
(@bearerik)
Member
Topic starter answered:
RE: Stringy First Layer Above The Support . What To Do ??

Hi . It looks pretty nice its just the first layer not sticking to second one .

Posted : 26/06/2025 5:39 am
Bearerik
(@bearerik)
Member
Topic starter answered:
RE: Stringy First Layer Above The Support . What To Do ??

I think I fixed the problem . I turned off thick bridges and changed the solid infill speed to 60mm/s. The first layer over the support is now fused with the second layer . No more loose strings 🙂

Posted : 26/06/2025 7:13 am
Raaz
 Raaz
(@raaz-2)
Estimable Member
RE: Stringy First Layer Above The Support . What To Do ??

Nice! I would've suggested the same, looking at that picture. However, it also looked like the loose part would still be the support layer and not the first object-layer.

I often have the top support layer sticking more to the first object layer, than to the support layer below and then have to peel off the little support lines from the object with tweezers. 

Posted : 26/06/2025 10:39 am
1 people liked
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