Just a simple questions. Why does the default Luban printer settings NOT generate support. Don’t you need supports to print 90% of things ?
No, you only need supports when you have an overhang or bridge or something that will sag.
So 90% (probably way more) of the time you don’t need supports and you really want to try to avoid them if at all possible.
Maybe you’re confused on what supports are?
Check this article out:
-S
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I pretty much only use them when I’m printing minatures. For household gadgets and broken parts, I can usually orient the piece in such a way that I don’t need supports and get the strength in the direction I want.
I think it helps that my v1 can handle overhangs of 50º without requiring any supports. That reduces my support needs quite a bit.
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What I was sort of asking was why, in the default settings the support check box is not even set ? Once you duplicate it you can set it and use the 50 degrees and it then shows if you need it or not.
But lets say you put a part on and used the default settings, it would not even show you that you needed support (if you did).
Because you almost never want it on.
When you need support is something you need to learn by experience.
Sometimes you need to try a print to find out if you need supports or not.
Just because you have something that’s 50 degrees doesn’t mean you automatically need support. It’s dependent on a bunch of factors including how much the overhang is and type of filament being used.
-S
Thanks… I am just starting out.
Sdj544 is right, for example if you are printing something with a small hole(like for a screw) if supports are on it reads the top of the hole as a 90 degree overhang. And wold generate support inside of that hole that would be extremely difficult to remove. And generally support is not needed for a screw hole. I just wanted to give an example to help illustrate why it is not on by default.
You might try printing some calibration prints to get a feel for how your machine does, we spent several days fine tuning different settings and printing lots of different tests. There are test models on Thingiverse that let you look at bridging and overhang performance.
Some prints defnitely need support but when printing those we have used S3D, so I can’t speak for how well Luban does with support generation.
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Check out this thread, it has a good list of things to do when you start and a good calibration test to print to see how well you did 
I am somewhat annoyed at Luban that you can’t modify the default print settings on the fly, you have to make custom ones to modify anything. I would like to be able to make temporary changes to the defaults without saving them, like Snapmaker3D and SnapmakerJS used to allow. It doesn’t help that the UX for executing these steps is all icons with no hover tooltips.
Longer term though, I’m probably moving off Luban for slicing. Snapmaker has said in the past that they intend for Luban to be a noob friendly tool, not a power user tool. Although in this case, I think it’s a little noob hostile.
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I agree, I think its just about useless for everyone. Its not explained or documented well enough for noob users and its missing the options for power users…
how do you add supports in snapmaker luban, I see the line type for the supports.
The section where the supports need to be added is gray out, how do i activate it?
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Add a new profile click on “+” , the build in have no all options
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Newest 3.13.0 version has support buiding option. Just many other things doesn’t work yet.
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I have the new version and the support doesn’t work. How do I activate it? There is no “+” either. If this is the new version please let me know if there is something else I need to do.
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There’s a gear icon now instead. Make a duplicate of one of the default profiles and then you can change and save it.
-S
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