What could be causing this pattern on the z-axis?
 
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What could be causing this pattern on the z-axis?  

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duncan.b2
(@duncan-b2)
New Member
What could be causing this pattern on the z-axis?

Hello everyone, I'm new to the forum and have been enjoying my MK2 for hundreds of hours. Recently i have noticed really bad layer quality and wanted to ask for help. I ran the hotend at temps from 200 to 235 and the z pattern is still prevalent. It almost looks like z wobble except it happens at much greater frequency compared to the pitch of the lead screw. Some of my other prints are showing under extrusion and I was curious if under extrusion could be causing the defect. If not, then what is causing it?
I don't seem able to add attachments. How can I share pictures on this forum?

Thank you!

Napsal : 03/11/2017 11:15 pm
samling
(@samling)
Eminent Member
Re: What could be causing this pattern on the z-axis?

I think you need to make a few more posts before you can attach pictures (I think 3?), but you can also upload them to a site like imgur.com and attach them using the "Img" button above the text field when making a post. Definitely will need to see photos of what you're talking about to offer any help.

Napsal : 04/11/2017 9:05 am
PJR
 PJR
(@pjr)
Antient Member Moderator
Re: What could be causing this pattern on the z-axis?

Just create a new post and drag an image file onto the test box.

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Napsal : 04/11/2017 10:22 am
duncan.b2
(@duncan-b2)
New Member
Topic starter answered:
Re: What could be causing this pattern on the z-axis?

Thanks for the quick reply! I have attached a photo that has the defect in question encircled. Of note is that the same gcode was ran a week earlier without the print showing this defect. Thank you again!

Napsal : 06/11/2017 4:57 pm
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