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squarefrog

Can't get fine definition with circular extrusions

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I'm struggling to get decent small round shapes with the ultimaker 2. I'm pretty happy with any straight lined extrusions I get, but I can't seem to get any smaller rounded shapes to come out well.

I am using the latest Cura, using the 'Normal' profile, with 1.75mm PLA, at 210ºC. Here is what the model looks like in Cura:

oLD6VfT.png

And the following are the current results:

Do7mn69.jpg

gAhrZXR.jpg

3OntboW.jpg

How can I rectify this and get cleaner extrusions?

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