Yeah you're right. Nothing to do with octane. It's a UV problem.
Thanks

I tried in Marmoset. Same problem...

https://drive.google.com/open?id=0B0gLZ ... kJpOVExSG8

Hi guys,

here is my workflow

Model in C4D
https://drive.google.com/open?id=0B0gLZIbD8H5YT0F4WTFVSlg0N0k

Retop in 3D Coat
https://drive.google.com/open?id=0B0gLZIbD8H5YNmJfaXpiN1FRUDQ

Texture in Painter
https://drive.google.com/open?id=0B0gLZIbD8H5YdkswTGtfbTdiOGs

Export Texture from ...