I am trying to make a building out of some prefabs in a kit I bought, it has flooring panels, walls, ceiling, ect. Thus far the walls don’t appear to have any seam issues. The flooring and ceiling do. I know the general reason why the floor is acting up, it has to do with the mesh/texture. My question on that is what options would I have for fixing it? for the ceiling, I assume it has to do with the lighting, because it has a black seam where the two meet and it only shows when viewed from one direction.
Where in the screenshot is the problem located?
You have to make it a single mesh to avoid that problem. Either build the mesh with a 3D editor like Blender, or maybe using ProBuilder that is a package of Unity:
I actually use UModeler that is more stable but paid.
I think I would have better luck using something in unity, looking up the Umodeler videos I found a few short clips on what I’m looking for I think. Since you use Umodeler, and I am a total noobie on fixing a problem like this- my follow up question on it is- would it be the right approach to build out the floor, and then by using Umodeler to combine the mesh?
No, UModeler is for modeling, it won’t combine what you already made, with UModeler you will need to manually model your levels as a single mesh. Instead to combine what you made, I’d recommend Mesh Combine Studio or similar assets:
Anyway, you can use either tools to achieve the single mesh. You just need to decide which workflow you’ll prefer to follow: extruding boxes, or placing boxes then combining.