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This is my first post for years. I really don't post here any more but I just have to reply to the last post because it's just so wrong on many counts. @Varkanoid, do yourself a favour and completely ignore that post. It's 100% uninformed nonsense. You can find releases of Cura for the Raspberry Pi at https://github.com/smartavionics/Cura/releases. There is a 32 bit build that runs on Pi4s and a 64 bit build that runs on Pi4s and Pi5s. The new Pi5 is quite awesome. Hope that helps.
The hiding of the shared heater setting is a knee-jerk reaction based on an incomplete evaluation of the feature's usability. Typical Cura regression, badly conceived and completely untested in the sense that no users were polled to see if they were actually using the feature successfully.
Hello @Rabbit-o. Yes, that feature has been disabled by a UM person (see https://github.com/Ultimaker/Cura/issues/8148 for some further info on this). Personally, I believe that to be a mistake and continue to offer the shared heater setting in my own Cura builds.
The problem is that the model is not manifold (aka watertight). You need to fix the model for Cura to be able to have a reasonable chance of slicing it satisfactorily.
If users of 3rd party printers aren't willing to try the beta releases, they should expect trouble when the releases arrive as UM do not have the resources to test on anything but their own products. Yes, Cura is supplied FOC but maybe people need to be willing to pay a price for it, the price is that they play an active role in the testing of new releases.
Thanks for the file, for me it slices as expected with layer height 0.15. There is a setting called slicing tolerance that could influence the results you get so it may be worth playing with that. I always have that set to "middle".
I make a 32 bit Cura release for the Raspberry Pi. When the 64 bit OS on the Pi matures I expect I will make a 64 bit release for that and it could be that would run on your ARM chromebook.
Does, combing stop stringing? Not sure about that, if anything, it could make it worse.
Stringing can occur for various reasons and is influenced by filament temperature, printing speed, retraction distance and speed.