Weird vase mode bulging ( midwest.social )

Hey all, I just finished a run of Popandsicle's excellent vase mode ornaments and I noticed these weird bulges happening all over the prints. The last run in a different color was flawless so I'm not sure where to start. I couldn't find much on the issue with a bit of googling so I thought I'd check with you folks and see if you all had any insight.

I've calibrated my esteps and adjusted the resolution to be a bit easier on my printer (modified CR-10v2), and unfortunately my mainboard isn't capable of linear advance.

Filament is overture royal gold, layer width is 0.6, height is 0.2.

I appreciate the help!

Dkarma ,

This is consistent across runs in the exact same spots.

I think it's either mechanical on your y axis hardware or you've got a corrupted slicer file somehow. are you converting these differently than other prints in the past?

dmention7 ,

It looks like it's happening at about the area of steepest overhang and while going around a corner. Is it possible the bead of filament is not grabbing onto the previous layer and dragging/sagging?

Maybe try slowing down the print speed a bit and/or increasing fan speed.

thegreekgeek OP ,
@thegreekgeek@midwest.social avatar

It's definitely sagging, this happened as I was composing the OP:

https://midwest.social/pictrs/image/5ff1c9c2-eb64-404c-824b-9a691ccc76e4.jpeg

That's the worst I've seen, usually it's like the original picture... Oh damn I just noticed it happens at the same layer heights every time.

https://midwest.social/pictrs/image/d66029cc-1f04-4f31-8ccc-cdce4b89fdad.jpeg

Hmmm, so why would this filament give me trouble and not the other one? Or is this a z-axis issue or a slicer one?

dmention7 ,

I second callcc's suggestions. I don't think it's a slicer or hardware issue, just optimizing your print parameters for the filament.

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