3dsMax obj exporter had a bug which offsets UV verts while exporting poly. 3dsMax 2017 exporter has fix for this. If you use lower version, you can try to apply mesh select and export.
Hello poly counters , i encountered a UV mapping problem which is : - i used UV master in Zbrush to separate the polygroups to UV islands . - exported the low-poly mesh to 3ds max to make a Multi-Tile UV map ( the body on a tile and the Face on another ) - i imported the model to zbrush and the copied the uv to my original…
I remember this being an issue with the OBJ exporter in 3dsmax. It wasn't writing the vert index table for UV's correctly. Kevin Burgess explains the problem pretty well and how to fix it. https://www.youtube.com/watch?v=yQHOIh5VuzE
i use 3ds 2016 , but i haven't used the " mesh select modifier " before . - could you illustrate more what i should do with it ? - or should i just apply, collapse Then export ? Thanks very much for the reply .