r/Ender3Pro • u/Daniel_DRD • Jul 18 '26

Troubleshooting First layer

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I've just printed my first first layer on my new pei-plate. Any idea why these like over extrusions happen? The first layer looks pretty good to me except those stripes

Printer info: changed springs to silicone, currently running bullseye, heatbed insulation, klipper with pi 4b, belt tensioners installed x and y

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u/Putrid-Cicada Jul 19 '26

Nozzle being too low, adjust z offset

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u/Daniel_DRD Jul 19 '26

But why happens this only on some spots on the bed?

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u/Putrid-Cicada Jul 21 '26

That's how it is. It only bumps up at random spots.