<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.imgur.com/v0X7W3R.jpg" rel="nofollow noreferrer" title="Right side"><img src="https://i.imgur.com/v0X7W3R.jpg" alt="Right side" title="Right side" /></a></p>
<p>Here are my retraction settings (if that matters):</p>
<p><a href="https://i.imgur.com/MCC8wFX.png" rel="nofollow noreferrer" title="Retraction settings"><img src="https://i.imgur.com/MCC8wFX.png" alt="Retraction settings" title="Retraction settings" /></a></p>

[{'answer_id': 16682, 'author': 'TreeBarkEater', 'author_id': 28896, 'author_profile': 'https://3dprinting.stackexchange.com/users/28896', 'pm_score': 2, 'selected': False, 'text': '<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>\n'}, {'answer_id': 16796, 'author': 'notalentgeek', 'author_id': 29175, 'author_profile': 'https://3dprinting.stackexchange.com/users/29175', 'pm_score': 2, 'selected': True, 'text': "<p>This was happened because I don't use support on the slope. After I use support the jagged edge is gone.</p>\n"}]
['https://3dprinting.stackexchange.com/questions/16663', 'https://3dprinting.stackexchange.com', 'https://3dprinting.stackexchange.com/users/29175/']