I’m thinking on buying few new prusas MK3, but I have seen on the web that they have problems with uneven extrusion. Do anyone here have experience with this? Is this solved?
This video covers the exact issue or lack thereof: https://youtu.be/fx0cMFOXriI
https://youtu.be/fx0cMFOXriI
Lack of this issue? I don’t have an Prusa. But, my 6 year old Ultimaker puts out better prints then I see on those photos and in that video.
Saying that everything is fine feels incorrect to me.
Compare it with this print of mine from 2012: http://daid.eu/~daid/IMG_20120419_221117.jpg
@Daid_Braam that’s because it is a Bowden extruder. This issue is seen more on a direct drive printer as the Bowden masks it very well . I had this issue on my custom corexy with all metal rigid frame . But when I moved to a Bowden extruder the problem was very slightly visible.
I ordered the MK3 kit and it’s due to arrive at the end of the month, so I’ll let you know in a few weeks.
He is still using 8mm rods? Looks like it.
Nope… Not gonna work with that build area. No wonder people are having so many issues.
@ekaggrat_singh_kalsi that’s the first time I’ve seen someone say that bowden gives better prints. But I see how it could make a difference, seeing that it acts as a spring.
Still, this artifact needs to come from somewhere. I don’t remember seeing it on our direct drive prototypes. Could be material slipping in the feeder, temperature instability, not enough feeder resolution. But it might not be extrusion amount at all, could also be that the head is vibrating, and simply has enough play to cause these kinds of artifacts then.
/follow
I use 4 printers with direct drive e3d titan extruders, and they do not have this issue.
Where I have seen similar issues was caused by hardware design flaws and component selection.
@Kyle_Taylor Let me know 
I will wait few weeks. My friend also ordered one, we will look into this. I want to buy 5 printers and this kind of issue would be a problem.