The build plate is a brand new sheet of buildtak. The nozzle is 0.8 mm so I guess that is why it looks too thick but it is squishing onto the plate just right.
The point is that I was looking at the nozzle when it was printing and it never attempted to print a full circle. It got that far around the arc then went off to a different place.
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gr5 2,224
You might need to clean that print bed (is it build tak?).
But more likely you just need to move the nozzle closer to the build plate. Is this easy to adjust? On the UM2 you just turn 3 screws all equal amounts by hand and presto - the printer will be leveled perfectly for the next few months.
It's hard to say how thick this bottom trace is but it looks much too thick. You need to SQUISH that bottom layer or you get just what we see here.
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