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: !functionalprint@kbin.social or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
Rules
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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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No injury gore posts
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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I don't know the Bambu model, but I do have an ender 3 and a prusa mk4. The ender 3 out of the box doesn't have an auto leveler, it is "dumb" and it assumes the level of the bed is correct (if you leveled it right it should be).
Other printers like the mk4 and I'm assuming the Bambu have auto levelers that sample the level of the plate over several points, and then remembers the height of these points. Because it remembers the heights, it can adjust for a bed that isn't manually leveled, so there's no need for knobs.
You can get this functionality for the ender with a bltouch. But you'll have to enable it in the firmware and do some configuration and wiring. It's not too hard.