Hi OSTexo,

> Both were exported triangles.

That should be fine - either all triangles or quads & triangles will avoid any n-gon processing issues in the renderer.

But what about welding? Did you export from Moi with welding on or welding off?

At least at one point in the past Octane had difficulty dealing with welded meshes, if you exported with welding enabled then that could be what you were running into.

- Michael