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Just toying around trying to make a simple intro for a friends company using their logo, I encountered an issue and a warning at the same time: I am lacking the knowledge of how to add two different materials for the same FBXMesh3D (I don't even know whether that's possible or not!).

Some more background: The logo I am working with is two colored. I followed Casey Faris' tutorial on how to make a 3D object in Fusion from an SVG file. The SVG file I got contains two paths (one for each color) so I assume (albeit I am not sure) that the exported obj file also contains two segments or something for the two paths from the SVG file.

This assumption would also make the warning I received in Resolves Console more understandable to me:

3D Viewer: Render aborted.
3D Viewer: fatal error - encountered surface "FBXMesh3D1" with 1 materials and 2 material slots - this means there are parts of mesh to be rendered that don't have an assigned material

And this is the point where I am stuck now for some time already. I think (and hope) that the two material slots mentioned in the error are the two paths (again; I have no idea). But the node only has one MaterialInput. I also tried playing around with Material Merge, Textures and other purely random and depserate things only to get the two colors restored but I can't seem to find a way to do so.

Further if I connect a material node to the FBXMesh3D node, the material seems to cover all of the mesh. So maybe there are no two sections I can color differently? The only thing that comes to my mind now would be to import the different sections as Mesh independently only to be able to color them differently which I would like to avoid if there is a way to do this with a single one.

It also seems like someone else got this warning in the Blackmagic Forum but there are no answers over there either: DaVinci Resolve 15 .obj error Is it possible to have one FBXMesh3D with different materials on differently colored sections (referencing the given SVG file) and if so: How?

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