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.
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Creating a custom mesh without a probe is possible, you just need to enable it in the correct firmware. If there's a build of Marlin for your machine, check the bed leveling section in the source code, and enable "Manual Mesh" leveling. It'll allow you to Next -> Knob Turn -> Next -- through all 9 points and manually set a bed mesh. No need for a touch probe. You still need to update the firmware to enable it though.
Also don't get caught up in the "BLTouch is for leveling" misinformation. A machine with a mechanical issue will not have the mechanical issue fixed by adding a touch probe, it'll just add yet another source of frustration.
If you have a glass plate and you think it's warped -- you are wrong. Glass is not manufactured that way, and the only way it can be warped is if you're purposely pulling it out of its natural resting state. The more common thing to be warped is the T-slot rails that your hardware is riding on. If you know anything about aluminum extrusion, you'll know it's pressed through a die, and then kind of bent flat at the factory after it's been extruded.
Thanks for all this information. Very interesting! Do you have a link to that firmware or a name I can search for? I have no problem with manually leveling, I just need to be able to tell my printer where the highs and lows of my print bed are if you get what I mean.
No I don’t think that. In my case it just looks like the plate (the one unter the printing surface that heats up) seems to be bent even in disassembled state. And yes, I don’t really need another instance of frustration, that hobby brings enough of that along its way :D So if I can do it without a probe I might give mesh leveling a try.
I am using a PEI print bed. I had a glass one before, that i had nearly the same problem with (but never tried this big prints, so it didn’t actually bother me).
I literally gave you instructions with the name of the firmware my dude...
Marlinfw.org
A quick search on github gave me this: https://github.com/shadow578/Marlin-H32
Honestly though, you're better fixing the mechanical issue you have with the machine.
Oh my… sorry, it might have been to early for me to read your comment, sorry. Will have a look at it, thank you!
I am already trying to fix it mechanically, but I need a Plan B, that’s why I made that post :)