<p>This was happened because I don't use support on the slope. After I use support the jagged edge is gone.</p>

CC BY-SA 4.0
2021-07-26T09:33:23.227Z
2021-07-26T09:33:23.227Z
notalentgeek
<p>This may be due to uneven cooling. The part cooling fan only comes from one direction on the Ender 3 series of printers. You may be able to solve the issue by printing the walls from the outside in. If not, I recommend printing a fan shroud that has part cooling ducts on both sides; there are plenty of them on thingiverse.</p>

CC BY-SA 4.0
2021-07-08T04:24:53.860Z
2021-07-08T04:24:53.860Z
TreeBarkEater
<p>As you can see the left side of the edge came out jagged. The right side came out just fine. What happened to the left side?</p>
<p>I am using Ender 3 + BLTouch using Sunlu PLA+ with 200 °C hotend.</p>
<p><a href="https://i.imgur.com/Ki7ZzQ4.jpg" rel="nofollow noreferrer" title="Left side"><img src="https://i.imgur.com/Ki7ZzQ4.jpg" alt="Left side" title="Left side" /></a></p>
<p><a href="https://i.sstatic.net/W02pj.jpg" rel="nofollow noreferrer" title="Right side"><img src="https://i.sstatic.net/W02pj.jpg" alt="Right side" title="Right side" /></a></p>
<p>Here are my retraction settings (if that matters):</p>
<p><a href="https://i.sstatic.net/rA7gh.png" rel="nofollow noreferrer" title="Retraction settings"><img src="https://i.sstatic.net/rA7gh.png" alt="Retraction settings" title="Retraction settings" /></a></p>

CC BY-SA 4.0
2021-07-06T21:40:41.957Z
Do you mean the ringing?
Lars Pötter
<creality-ender-3><print-quality><prusaslicer>
Jagged edge on one side and not on the other side
notalentgeek
# Jagged edge on one side and not on the other side

(Asked by: username_0 on 2021-07-03)

As you can see the left side of the edge came out jagged. The right side came out just fine. What happened to the left side?

I am using Ender 3 + BLTouch using Sunlu PLA+ with 200 °C hotend.

[![Left side](https://i.imgur.com/Ki7ZzQ4.jpg "Left side")](https://i.imgur.com/Ki7ZzQ4.jpg "Left side")

[![Right side](https://i.sstatic.net/W02pj.jpg "Right side")](https://i.sstatic.net/W02pj.jpg "Right side")

Here are my retraction settings (if that matters):

[![Retraction settings](https://i.sstatic.net/rA7gh.png "Retraction settings")](https://i.sstatic.net/rA7gh.png "Retraction settings")

**Tags:** creality-ender-3, print-quality, prusaslicer

> **Comments:**
> **username_1**: Do you mean the ringing?  

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## 2 answers

### Answer by username_0 on 2021-07-26. Score: 1 | Accepted answer

This was happened because I don't use support on the slope. After I use support the jagged edge is gone.


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### Answer by username_2 on 2021-07-08. Score: 3

This may be due to uneven cooling. The part cooling fan only comes from one direction on the Ender 3 series of printers. You may be able to solve the issue by printing the walls from the outside in. If not, I recommend printing a fan shroud that has part cooling ducts on both sides; there are plenty of them on thingiverse.


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