<p>I'm wrestling with a surface layer variation that is occurring when there is an infilled / deeper shape directly below the surface. The lines line up perfectly with the boundaries of the shape that's behind the surface.</p>
<p>I'm using BambuStudio with a P1S. The preset settings all produce this same result.</p>
<p>I'd love to know what setting I should be playing with in order to avoid this. There's certainly nothing weird with the models I'm importing.</p>
<p>Back image and front image attached.</p>
<p><a href="https://i.sstatic.net/4ulDTrLj.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/4ulDTrLj.jpg" alt="Back side" /></a>
<a href="https://i.sstatic.net/7oUwCkYe.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7oUwCkYe.jpg" alt="Front side" /></a></p>

CC BY-SA 4.0
2024-08-22T21:30:29.210Z
Usually, [this defect](https://3dprinting.stackexchange.com/questions/8619/odd-print-artifacts-on-same-layer-as-large-top-surface) is seen in the lower end printers, it is most probably a positioning error. However, I wouldn't say this printer is on the lower end of the market. What print speed did you use?
0scar
CC BY-SA 4.0
2024-08-23T06:06:15.890Z
Did you use the P1S or the P1P? The text is different from the tag.
0scar
<print-quality><surface><bambu-lab-p1p>
Surface lines correlated to infilled area below surface
crosswinnd
# Surface lines correlated to infilled area below surface

(Asked by: username_0 on 2024-08-20)

I'm wrestling with a surface layer variation that is occurring when there is an infilled / deeper shape directly below the surface. The lines line up perfectly with the boundaries of the shape that's behind the surface.

I'm using BambuStudio with a P1S. The preset settings all produce this same result.

I'd love to know what setting I should be playing with in order to avoid this. There's certainly nothing weird with the models I'm importing.

Back image and front image attached.

[![Back side](https://i.sstatic.net/4ulDTrLj.jpg)](https://i.sstatic.net/4ulDTrLj.jpg)
[![Front side](https://i.sstatic.net/7oUwCkYe.jpg)](https://i.sstatic.net/7oUwCkYe.jpg)

**Tags:** print-quality, surface, bambu-lab-p1p

> **Comments:**
> **username_1**: Usually, [this defect](https://3dprinting.stackexchange.com/questions/8619/odd-print-artifacts-on-same-layer-as-large-top-surface) is seen in the lower end printers, it is most probably a positioning error. However, I wouldn't say this printer is on the lower end of the market. What print speed did you use?  
> **username_1**: Did you use the P1S or the P1P? The text is different from the tag.  

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## 0 answers

