Problem with the mash

I have a model in Blender (Plane):

But when I open it in Zbrush or Substance Painter, Mash looks like this:

What the problem?

… it looks the same to me - just shaded differently.

Your normals are inverted.

In edit mode with all elements selected: CTRL+F > Recalcalculate Normals.

Visualize face normals in edit mode: 3D View > Properties (N) Panel > Mesh Display > Face Normals (3rd icon)

1 Like

Thanx! It works.