nurbs to obj

 From:  Frenchy Pilou (PILOU)
6040.15 In reply to 6040.14 
I have taken info from Pixologic team :)
Seems I was wrong when you import inside Zbrush an OBJ file geometry is not changed, triangles who are not coplanar or not excess a minium angle (like in your example above) are not changed in quad
and stay real triangles with 3 vertices!