3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
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No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
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Be respectful, especially when disagreeing. Everyone should feel welcome here.
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If you need an easy way to host pictures, https://catbox.moe/ may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
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Mk4s owner here and I'm super unhappy with the output of my factory assembled mk4s, due to a consistent first layer problem. The mk4s is related to the core 1 as far as I know as the "next gen".
Prusa seems to be aware of the issue, but I feel they are still messing around greatly with any kind of actual solution to the problem, that actually led me to pulling the pin on any work purchases from Prusa at all.
I actually got sent a second factory assembled mk4s as a "make good", and the new unit had the exact same problem, right out of the box...
If I had my time again, I wish I'd have gone the Voron in some kind of pre-packed kit form...
Not a Prusa user, but the title of that bug does look accurate - the first layer is too low. Does Prusa support bed mesh and is there a way of setting the zero point of the bed relative to whatever they're doing for z-endstop?
In klipper land there are solutions to this, but they're not baked into the out of the box solution.
On my Voron if I want to guarantee a good first layer, I must:
My first layer is nearly aways flat. It will occasionally be too high or too low because there was a goober on the end stop or something else along those lines.
Are you sure things are clean? Likewise, are you running a mesh? Have you tried adjusting z-offset up a touch?
Honestly, I would start with first layer squish as you could easily be too low.