Advanced Member paulrus Posted December 7, 2023 Advanced Member Report Share Posted December 7, 2023 Hi all - I have an object I'm exporting from 3DC to Unreal Engine 5.3. The model has 3 paint objects, each with their own UV set and material. If I load the exported OBJ into Houdini, I can see all the UV sets, no problem. But when I bring it into Unreal, it only brings in 1 UV map. I've checked and UE does support multiple UVs per object (you can see this being done in 3DS Max in this video). But there's something about the 3DC object that isn't working. Unreal complains about an XML error in the MTL file when I bring the object in. Any ideas? Quote Link to comment Share on other sites More sharing options...
Carlosan Posted December 7, 2023 Report Share Posted December 7, 2023 3DC does not support multiple UVs per object. Quote Link to comment Share on other sites More sharing options...
Advanced Member paulrus Posted December 8, 2023 Author Advanced Member Report Share Posted December 8, 2023 That's odd, because I'm getting 3 uv sets out of 3D Coat and I can see them in Houdini no problem. It's just when I load them into Unreal that I have the issue. Keep in mind, this is 3 separate objects with 3 separate materials being exported as one OBJ. Quote Link to comment Share on other sites More sharing options...
Carlosan Posted December 8, 2023 Report Share Posted December 8, 2023 3DC does support multiple UVs, and you can assign materials by UVs But the same face can only be assigned to ONe UVset. The same face cant be assigned to multiples UVsets at same time. Sound like a nice feature request Please drop a line at andrewshpagin@gmail.com asking for this feature. Thanks Quote Link to comment Share on other sites More sharing options...
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