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Uneven first layer on larger prints  

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Garage_Brad
(@garage_brad)
New Member
Uneven first layer on larger prints

Hi,

I've been trying to print some rather large prints on my Prusa Mk3s+ and they always het this ugly first layer. It gets really loose and stringy. Im pretty sure its brcause of height differences over the plate. However calibrating the surface has never fixed the problem.

I've tried doing the first layer wizard thingy multiple times and it still doesnt work. I've also tried bed level correction and only seen very minor improvements.

I did try putting some paper under the spot that has a hard time sticking and i think it work pretty well but there has to be some better way of doing this, right?

The pictures below show a first layer print of the entire surface. The part that doesnt stick is the top right blob. The two smaller ones on the bottom is where the height is perfect.

 

Another view of the same print as beforeFirst layer print of whole surface with PLA

Publié : 17/04/2023 1:31 pm
Walter Layher
(@walter-layher)
Prominent Member
RE: Uneven first layer on larger prints

This has helped me: Nylock Mod. Well documented how-to. I have printed several of the "Hexibox" loudspeaker cases by Hexibase after that. They covered pretty much the whole build plate.

Publié : 17/04/2023 1:46 pm
Garage_Brad
(@garage_brad)
New Member
Topic starter answered:
RE: Uneven first layer on larger prints

Thanks for the tip! Seems like this was the perfect solution i was waiting for.😄

Publié : 17/04/2023 2:22 pm
Walter Layher
(@walter-layher)
Prominent Member
RE: Uneven first layer on larger prints

I even skipped the install of the new clamps for the bed mounts when I did the upgrade to MK3S+. 🙂

Publié : 17/04/2023 2:28 pm
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