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Poor overhand quality on fillet near first layer & Poor quality on the corner of a fillet (rounded edge)


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Hi everyone, hope we're all doing good.

1. My first problem shown in the photos below is where I get the squiggly lines on the overhangs on a rounded edge with a radius of 4mm near the start of the overhang that's roughly the 2-5 layers. Would greatly appreciate any tips on how to get this better, I've fiddled with wall overlap percentage, overhang speed, fan settings and nozzle temperature but nothing seems to work. The first two attached photos correspond to this problem

2. Secondly the corners of the cut in the print have really low quality, and when joined leave a gap. I've tried changing the material pressure advanced k value and speed. Any ideas on how to fix this would be great.

 

All the best,

Matt.

image2 (2).jpeg

image0 (4).jpeg

image1 (3).jpeg

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Hi @MBPrints.

You my friend are running into the fillet wall. If you have CAD then remove the fillet and replace it with a chamfer. If you don't... and you're using Orca Slicer... you can click the "Make overhangs printable" box, under the "Quality" tab. This creates a little chamfer for you. If you don't have Orca... then look for something similar in your slicer.

image.png.7253e41eea4ce4b2dd8b2482040d6400.png

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When printing overhangs, it may help to set your slicer to print inner walls first. This gives the overhanging layers something to attach to. If you print outer walls first, they can fail because they are printed in thin air, so to speak.

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On 3/6/2024 at 1:04 PM, Penatr8tor said:

Hi @MBPrints.

You my friend are running into the fillet wall. If you have CAD then remove the fillet and replace it with a chamfer. If you don't... and you're using Orca Slicer... you can click the "Make overhangs printable" box, under the "Quality" tab. This creates a little chamfer for you. If you don't have Orca... then look for something similar in your slicer.

image.png.7253e41eea4ce4b2dd8b2482040d6400.png

Unfortunately the design needs to have a filler and not a chamfer. I’ve tried this setting but it ruins the design, so I was wondering if there are other remedies 

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10 hours ago, SuperBoppy said:

When printing overhangs, it may help to set your slicer to print inner walls first. This gives the overhanging layers something to attach to. If you print outer walls first, they can fail because they are printed in thin air, so to speak.

I’ll give it a shot thanks 

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