UVs not being baked? Please help me to understand this process

[newoldschool]

Hello, first sorry for my english, not my first language.

I have a 3D model made in Blender. I've created some UVs in blender.
I can successfully use those UVs in keyshot, but they are not being used/baked when I do "Export > Export to GLB/GLTF"

Is that the expected way for it to work?

My UVs are way better, at least for this particular model.

For example, look at this part of the model, this is the original UV:
https://www.dropbox.com/s/571b9ptg6kdj7is/UV%20original.png?dl=0

And this is what I get after export:
https://www.dropbox.com/s/j8mvs2t4zwhxay4/UV%20nueva.png?dl=0

And the problem with this kind of messed up UV, is that I have some really stretched parts of the model.
https://www.dropbox.com/s/oxo9cq57kfo0q2u/checker.png?dl=0
Here you can see how this tiny group of faces are trying to cover a quite big part of the model, resulting in a very stretched texture.
https://www.dropbox.com/s/gr5t1a7a6dostvh/example.jpg?dl=0


So, there is any way to fix this? Any way to force keyshot to use my UVs?

Just in case to be clear, I'm able to use my UVs (see here https://www.dropbox.com/s/n0wtt3kvc65xbpj/keyshot.png?dl=0), I can render an image and textures use the UVs correctly, my problem is when I try to export it in any way, in that moment is when those UVs are not used anymore. At least not used to contain the baked information.

Thanks for any help.

[newoldschool]

Update:
I even tried doing a UV unwrap again, inside keyshot, and it didn't work.
And this is not a desire step, this model is an easy one, but I would not like to do this unwrap again in keyshot if I already did it in another software.

So, even if I did a uv unwrap in keyshot and then go and export a Glb, the result is a model with a horrible UV again. Why is this happening? Can't that exporter use the UV that was already made (inside keyshot or in any other software)?

[Justin A]

Hey NewOldschool,

Can you share the scene with my support team?
It would help us runs some tests and see what is happening in the scene.

You can share it here if it is small enough or send it through wetransfer and tag [email protected]

Thanks,
Justin Adams
Support manager
Luxion makers of KeySHot

[newoldschool]

Thanks for your response Justin! here is the link for the keyshot package:
https://www.dropbox.com/s/cb9qsl5ueq1ttk6/Robo-UC7%20-%20con%20UVs.ksp?dl=0

[newoldschool]

You can share it here if it is small enough or send it through wetransfer and tag [email protected]

Hi Justin, it's ok the dropbox link here?
Or should I send it by email?

[Justin A]

Just a little update, Your UV's are clean but it looks like that spot does have something to do with the UV's.
As a test a re did the UV Shells and the spot moved to the other side.  We are still running some tests and I have some of my creative team lookin in to this as well.

Thanks for your patience on this.

[newoldschool]

I thank you and your team! And if this ends up being a bug then glad to help : )

[newoldschool]

Hi Justin, any news about this?

[Justin A]

I have created a bug report on this for the Developers to look at as it seems to be an issue with the baking process.
They should receive this fairly quickly and be able to determine what is happening during the baking process and have a fix for our up coming release.

[newoldschool]

Thanks for the update Justin! I'm happy to hear that! I hope they can fix it for the next release then