I just started my 3D-print journey and have a lot of fun with it.
Currently am trying to get my print to have smooth bottom and no visible print lines. Am partial successful, but the start corner always has artefacts. It does not mater if the object is big or small.
I print with Matte PLA from Bambu lab use OrcaSlicer. The object is 1.5mm height.
These are the most relevant settings i use.
Profile: 0.20mm Standard @BBL X1C
Layer height: 0.1mm
First layer height: 0.1mm
First layer width: 0.26mm
Bottom surface flow rate: 1.6
Only one wall on first layer
First layer speed: 5mm/s
First layer infill: 5mm/s
Initial layer travel speed: 50%
When using a “first layer width” of more than 0.3mm, the artifact is not visible, but the print lines become apparent. It appears that the print is warping at the start corner. To address this, I attempted to use a mouse ear brim, but there were no visible changes to the print.
Can any of you specialists advise me on which settings to adjust to eliminate artifacts?
Any reason you’re not using the standard 0.08 or 0.12 profile?
I see your layer height is set to 0.10 on the 0.20 profile. If the corners are curling up your first layer may be going down too thin for good adhesion. A few versions ago, they changed the standard setting to 0.20 for all first layer heights. You may want to try that for your first layer.
I don’t understand how a 0.2 first layer will take you longer to print than 2 x 0.1 first layers. If it’s taking 7 days to print, surely a few seconds won’t matter lol. Sorry if it seems facetious but you’ve likely spent more time trying to stop the print lifting and posting here about it when you could have just kept the 0.2 first layer and be done by now.
@RMB Becasue the flow rate is higher than one and the first layer speed is low.
So on layer of 0.1 takes less time than a first layer of 0.2. And yes for one part it does not matter. But I need to print a lot of object that takes more than 6~ hour with a first layer of 0.1. i use 0.2 it takes around ~7 hours.
If the howl point is to get a bottom with no print lines. So using 0.2 will always show the print lines because the first layer with cant be smaller then the height of the first layer.
I don’t know, those settings look all contradictory to me You’re trying to put a 0.4mm width nozzle 0.1mm close to the bed but then want it to only push out just over half it’s hole size in width. Then you’re wanting to push the filament out at twice the flow rate at the same temperature. But then you’re forcing the nozzle move as slow as it can possibly go.
I think you’d be better off using a 0.2mm nozzle.
