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Where do I find Volumetric Extrusion setting? What gcode flavor should I set?

I increased extrusion but the same thing happens.

thank you for your message. I'm using cura 4.8 and my printer is Twotrees sapphire pro, it's coreXY. I checked hotend and changed nozzle when this problem appeared, about a couple of weeks ago.

Hello, I've been using cura for several months now and my 3d prints suddenly come up really bad, I have tried many things to correct them but nothing has worked yet. I really need your opinions. The problem seems like it is software based because I can print the cube file that came with the printer really beautifully. Thanks in advance.

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Unfortunately this is no the problem. It seems that it messes up the top layer before starting printing the top graphics. I don't know if I'm telling it correct. I tried to print it with different layer height and line width but it didn't came up well.

Hello, I came up with the following issue. My top layer is missing. Instead of a layer, I can see the infill that is below that. I'm using cura 4.8 and when I slice, in the preview, I can see the layer, but when I reload the gcode file the top layer is missing in the preview. Is there a bug in cura 4.8 or should I pick different settings? I attach photographs from two prints, what I see in cura after I reload the gcode file and how they came up. Thank you in advance.

OK, I solved the issue by enabling relative extrusion. I didn't know what it was for so I disabled it.

Did you come up with anything yet?

I will attach the profiles. I’m using PLA for now. Thank you for the reply. Not working_sapphire_mod_real_size.3mf Working_sapphire_mod_real_size.3mf

This code came up from cura with the settings I applied. I didn’t change anything manually. My printer is not in the default printers in cura but company says that it supports cura. I will delete M83 and see what happens. Thank you.

Hello all, I'm just getting started in the 3d printing world and I think I'm doing quite well, except for sometimes that when my printer starts printing it makes a strange sound from the extruder and over extrudes and under extrudes fillament. At first it sounded like fillament grinding in the extruder but when I sliced again with different profile settings it worked fine. I haven't still figured out what option messes up the print. I'm comparing working and non-working gcodes to find out where the problem is. My printer is a core xy, Two Trees Sapphire pro and I use Cura 4.7.1 and 4.8 ve