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diagonal line in first layer (and every layer next)

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When i print for example a iPhone case the UM2 first makes the outline and then goes to make the hole for the camera. The print head then makes a diagonal line when going to the other side.


I also see it with smaller objects but with the iphone case it doesn't look nice because that is the visible side of the case.


It happens every time when the print head moves to a other side of the print. In every new layer.


Is there a way to prevent this? I don't like this diagonal line.


Thanks for the help. Sorry for my English.


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Maybe not totally prevent it, but you can make it a bit better.

In the expert settings dialog (under the Expert menu) for retraction, set travel distance to 1, uncheck 'enable combing', and set minimum extrusion to 0.

Also in your advanced print settings, increase the move speed to 200 or 250mm/s.

This will make sure the printer retracts the filament before that long move, so that it is less likely to ooze, and give less time for oozing when it does.

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