Whats happening with UV maps when importing to substance

woody

I always seem to get this problem where my UVs look perfectly fine in C4D but then when I come to bring into Substance Painter, my uvs are all over the place, as if its auto welding points or something.

C4D:



In substance painter:



This is taking me hours to fix every time I do an asset, but can never seem to put my finger on whats causing it. If I knew at least I could build my model with it in mind. I'm assuming SP does some kind of weld operation during import? How can I avoid this?

poopipe

This isn't a common  issue.  I'd be inclined to look into the source mesh or the export rather than painter's import process.

Are you going to fbx or obj? 

Jerc

Can you check and open that same mesh in other DCC tools? Do you get the same UV artefacts?

petemc

If you're using FBX, try triangulating your model before export