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Problem with first layer  

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PJR
 PJR
(@pjr)
Antient Member Moderator
Re: Problem with first layer

Patrik

No. You have calibrated with a first layer of 0.15mm, so that should be your first layer height setting.

The slicer will always calculate the exact amount of filament to extrude for the layer height. So if you set your first layer to 0.2mm, you will extrude 33% more filament than with a first layer (sliced) at 0.15mm. But the firmware will still print the first layer at what it thinks is 0.2mm, but is actually 0.1mm

You will end up with almost 100% over-extrusion on the first layer if you slice it at 0.2mm.

You may have seen that I have calibrated my printer differently; this is the reason why. I really don't want to be stuck with using specific slicers.

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Napsal : 08/07/2016 9:44 am
Patrik Rosén
(@patrik-rosen)
Reputable Member
Topic starter answered:
Re: Problem with first layer

OK, that explains why my first layer always looks a bit rough, with nozzle-scars all over it, and the rest of the layers looks perfect.
The first layer sticks very well to the build plate now at least 🙂

Me on 3dhubs!
Napsal : 08/07/2016 9:58 am
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