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HELP: Print goes wrong after 1 hour

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Hey everybody,

I've got the following problem. The first time I printed the set square, everything went well. After a week or so, I tried printing something else and this started going wrong. So I repeated printing something I knew it should actually work – a second set square. Half of the print went right. The surface became smooth and great. It last about an hour. After that the print started getting wrong. You can see the result in the pictures.

My settings:

PLA as material

Nozzle 0,4mm

Normal quality

The temperature and other settings I can't tell right now because cura says, I wouldnt be connected to the printer and so doesn't tell.

I would be really happy to hear of any idea ;-)

thanks

Anna

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CameraZOOM-20170427115204938.thumb.jpg.a2935399f3f11b0ce47f49d912587071.jpg

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The basic problem is that the part is wobbling while it's trying to print it. Because it's so thin. Can you instead print it flat on the print bed? With the rivets facing up? There is a rotate feature in cura - click on the part and choose the rotate icon and rotate it 90 degrees.

I don't know why it printed better before. Maybe if you slowed it WAY down to say 10mm/sec it won't wobble but it will look so much better if printed flat. Also you won't need brim if you print it flat.

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