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Any idea what could be causing this? (sh.itjust.works)

submitted 1 day ago* (last edited 4 hours ago) by Grass@sh.itjust.works to c/3dprinting@lemmy.world

6 comments fedilink hide all child comments

Edit: It was the extruder. One of the belt gears sheared off, and there was enough friction between the pieces that it still worked at slower speed, even well enough for the calibration test prints I tried. I had spares that I printed ages ago and now it works.

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I started getting this weird exterior wall defect that I haven't seen before. Calibration testers come out clean though and it's driving me insane.
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Using orca slicer with an e3 switchwire trying to print parts for my other printer so I can rebuild this one into something not a switchwire.

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[–] faebudo@infosec.pub 1 points 12 hours ago

I think it would be worthwile to lower speed on overhangs and add more cooling on overhangs. That should clear up those patterns.

[–] AliasVortex@lemmy.world 2 points 21 hours ago* (last edited 7 hours ago)

I'm taking a complete shot in the dark, but it's happening on the X and Y axes and what looks like similar spots every layer, which makes me think that'd it be something mechanical that's only manifesting under some condition (like flow rate or speed). Maybe check your bolts, belts, and rails? My gut says loose toolhead/ extruder (wiggling could cause weird lines like that), but that's more a guess than an "I've seen this before" kind of thing. Failing that, I'd be curious to see if that pattern shows up in a flow rate test.

I know many folks have sworn off Discord, but if you haven't, maybe try asking in the Voron discord too?

[–] FuglyDuck@lemmy.world 2 points 23 hours ago (1 children)

Looks like some extrusion issues, at least for the stuff along the vertical walls. my initial guess is clogged nozzle, though it might also be temperature issues

[–] Grass@sh.itjust.works 1 points 23 hours ago* (last edited 22 hours ago)

I guess I'll burn the last 200g on this roll going through the whole calibration suite again while the last one is drying

[–] foxylad@mastodon.nz 1 points 23 hours ago (1 children)

@Grass Looks like you need support material for the top of the circular holes.

[–] Grass@sh.itjust.works 1 points 23 hours ago

it has modeled supports that were removed