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Werid blobby print?

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Posted · Werid blobby print?

Hello,

I have attached a photo 019.thumb.JPG.ebe74712a6969a077871fe12c74f9f14.JPG. I hope you can see it ok. The print worked fine until about half way through when it went all blobby. I had left it to run over night, so I wasn't sure what had happen to it. I wondered if the PLA hadn't had time to set between layers as it was very narrow cross section. So the second time I ran it with a much slower speed, and during the day. It was all fine until about half way through I found the print head grinding itself against the top of the print, with PLA being squished out the sides, as if the bed was not moving down? So I stopped it.

It is from a CAD file I made myself on Inventor so am going to try and resave the gcode again using all the standard settings and see what happens, but if someone can point me in the right direction I would be grateful.

Many thanks

Anne

019.thumb.JPG.ebe74712a6969a077871fe12c74f9f14.JPG

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Posted · Werid blobby print?

Hi and welcome in the community!

It looks like it's very small?

This is most probably due to the layers not having enough time to cool down before another layer is printed.

To solve this two possibilities:

Print two (or more) at the same time, this will help cooling the print while the head is printing the other one. You can also just print a tower if you don't want to waste to much plastic. Hint: Place the objects on the buildplate in way that the fan still cool the other object while it's printing the second one.

Use cool head lift (i don't like that one), this will lift the head and leave some time to cool (you will find this parameter in the expert settings. Side effect: Stringing

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