3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Why am I getting these bumps and whiskers on my CR-10S Pro V2 prints? (i.imgur.com)

submitted 1 year ago by poofy_cat@lemm.ee to c/3dprinting@lemmy.world

14 comments fedilink hide all child comments

I've been repairing a Creality CR-10S Pro V2 and can't figure out this persistent oddity. It prints spiral vases and benchies flawlessly, but regular 3D prints often have these pronounced bumps and thick whiskers sticking out. I think it's more than just Z seam blobs, I'm wondering if it's an issue with the wipe settings not working well in PrusaSlicer...

Here's another example of the issue: https://i.imgur.com/ZHssQWI.jpg

I'm using Kaaber transparent PETG, printing at 215/210 nozzle and 75 bed. I know this seems cool for PETG, but this brand tends to melt and ooze at anything hotter.

Here are my PrusaSlicer retraction settings, they are the default for this printer:

https://i.imgur.com/RqrltUL.jpg

I tried slightly bumping the retraction to 6.5mm and 65mm/s, but it made no difference.

Any ideas what would cause this? I'm getting it while trying to print many parts of the honeycomb storage wall off printables.

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[–] squaresinger@feddit.de 6 points 1 year ago

There is a slicer option that covers this problem up in many cases. It will not work in every case and it will not fix the underlying issue, but in this case it would have fixed it: Avoid crossing Perimeters.

You get these artifacts from filament dripping from your nozzle when the nozzle is traveling over empty area. The option above avoids traveling over empty space if possible.