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My printer (well, PrusaSlicer) always starts with a line around the object I am printing. See (1) in the image. --Why? What does that do?
There is also this line (2) at the front of the bed. --Why? What does that do?
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this post was submitted on 12 Oct 2023
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It also helps reduce draughts directly on the first layer even minimal can help adhesion.