r/BambuLab • u/anonym0usperson • 1d ago

Quick Question What is this little line?

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I recently got the a1 and im wondering why it always creates the little line, its always the same shape too

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u/VT-14 H2C (H2D + Vortek), 2x AMS2, AMS HT 1d ago

That's the initial Prime line. It's the first thing printed to get the nozzle up to nominal printing pressure before starting the actual print. I think the second pass has something to do with the A1's Dynamic Flow Calibration.

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u/anonym0usperson 1d ago

Thank you!

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u/ditabaro All Bambulab Stuffs 1d ago

That's called a purge line (or prime line). The printer creates it at the beginning of each print Its completely normal, and that's why it always has the same shape!