<p>My settings were fine but after switching to a new brand of PLA I seem to be getting issues with the first layer.</p>
<p><a href="https://i.sstatic.net/5nnRK.jpg" rel="nofollow noreferrer" title="Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate"><img src="https://i.sstatic.net/5nnRK.jpg" alt="Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate" title="Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate" /></a></p>
<p>My previous filament had a print temp between 200 °C and 230 °C. My current settings have the first layer printing at 216 °C and then reducing to 202 °C for all the other layers. On the new filament, I see it has a printing temperature of 205 °C to 220 °C.</p>
<p>I am using the heatbed steel sheet by prusa3d.com that originally comes with the printer I have (prusa-i3 mk3). This heatbed attaches magnetically and has a smooth surface. I do also have a second heatbed, unopened, that originally came with the printer as well. This second one has a textured surface and is unused.</p>
<p>Considering the difference in the ranges of the filaments and my current settings, I suspect that the change I need to make would be to reduce the first layer's temperature and increase the temperature for all other layers. Does that seem correct? What else might I try?</p>

CC BY-SA 4.0
2023-08-15T20:24:06.153Z
It might be useful to know what kind of buildplate/bed you have. Please [edit] your question to include this information.
agarza
CC BY-SA 4.0
2023-08-15T20:25:35.730Z
AFAIK, having a too-low temperature on the first layer is what causes adhesion problems; and it looks as though that is what you are experiencing.
agarza
CC BY-SA 4.0
2023-08-15T20:29:53.143Z
I updated with your suggestions @agarza. I will try a higher temperature for the first layer.
Jordan Klaers
CC BY-SA 4.0
2023-08-15T20:54:52.173Z
I'm sorry, it's 60 °C for the bed. I also wipe with isopropyl alcohol before each print
Jordan Klaers
CC BY-SA 4.0
2023-08-15T21:13:17.920Z
So I changed a few things. I increased the first layer higher very slightly, increased the bed temp on first layer as you recommended, and also increased the print temp 3 degrees. These changes so far have had a positive effect on the first layer in the print I just started
Jordan Klaers
CC BY-SA 4.0
2023-08-24T16:14:33.067Z
This first print had lumps but it got past and had an otherwise reasonable quality at the end. Second print with no changes had almost zero lumps and a 9/10 finish
Jordan Klaers
<pla><prusa-i3><fdm>
First layer issue with new filament
Jordan Klaers
# First layer issue with new filament

(Asked by: username_0 on 2023-08-15)

My settings were fine but after switching to a new brand of PLA I seem to be getting issues with the first layer.

[![Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate](https://i.sstatic.net/5nnRK.jpg "Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate")](https://i.sstatic.net/5nnRK.jpg "Photo of the first layer of a 3D printed model showing problems with adhesion and lifting from the build plate")

My previous filament had a print temp between 200 °C and 230 °C. My current settings have the first layer printing at 216 °C and then reducing to 202 °C for all the other layers. On the new filament, I see it has a printing temperature of 205 °C to 220 °C.

I am using the heatbed steel sheet by prusa3d.com that originally comes with the printer I have (prusa-i3 mk3). This heatbed attaches magnetically and has a smooth surface. I do also have a second heatbed, unopened, that originally came with the printer as well. This second one has a textured surface and is unused.

Considering the difference in the ranges of the filaments and my current settings, I suspect that the change I need to make would be to reduce the first layer's temperature and increase the temperature for all other layers. Does that seem correct? What else might I try?

**Tags:** pla, prusa-i3, fdm

> **Comments:**
> **username_1**: It might be useful to know what kind of buildplate/bed you have. Please [edit] your question to include this information.  
> **username_1**: AFAIK, having a too-low temperature on the first layer is what causes adhesion problems; and it looks as though that is what you are experiencing.  
> **username_0**: I updated with your suggestions @username_1. I will try a higher temperature for the first layer.  
> **username_0**: I'm sorry, it's 60 °C for the bed. I also wipe with isopropyl alcohol before each print  
> **username_0**: So I changed a few things. I increased the first layer higher very slightly, increased the bed temp on first layer as you recommended, and also increased the print temp 3 degrees. These changes so far have had a positive effect on the first layer in the print I just started  
> **username_0**: This first print had lumps but it got past and had an otherwise reasonable quality at the end. Second print with no changes had almost zero lumps and a 9/10 finish  

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## 0 answers

