3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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What is causing this pattern in the first layer? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by rexxit@lemmy.world to c/3dprinting@lemmy.world

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Flashforge creator pro 2 with PLA, standard quality preset, textured removable magnetic bed on the build plate.

The first lines are straight, but as it makes more parallel lines to build the layer, it starts to develop a scalloped pattern. This creates issues with smoothness when it fills back to join it from the other side later. I've leveled the build plate, although I suspect it's not perfectly flat and maybe slightly higher in the middle. Is this my problem? It appears to have the pattern even away from the middle if that makes sense.

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[–] rexxit@lemmy.world 2 points 1 year ago* (last edited 1 year ago) (1 children)

In the case that is an uneven bed, where the middle is slightly high/convex, how do people fix that? I've calibrated it twice, but I think it's still too close in the middle while the standard calibration locations (front center, back left, back right) are perfect

[–] nyan@lemmy.cafe 0 points 1 year ago (1 children)

Glass bed mods (glass is always dead flat) or careful adjustments of screws and tramming of the bed, depending on your printer design. Or find a way to sample more points when leveling the bed to compensate for the unevenness. (I have a Snapmaker 2, which shipped with a firmware bug relating to levelling that wasn't found for quite a long time. Those were the most common fixes and mitigations.)

[–] CmdrShepard@lemmy.one 1 points 1 year ago

Glass is not always flat speaking as someone who just swapped their stock glass bed due to warpage (>0.4mm). My new aluminum bed is now within 0.01mm from side to side.