Hi All, I am trying to model some sea coral using a mesh surface and applying a material with alpha channel to "cut away" parts of the square mesh. I have modelled in Milkshape and have tried exporting as obj, 3ds, and dxf. All is working well except for the fact that I have one face that seems to be reversed in that it is black. It doesn't seem to matter what format I try and save in. I have tried various things to the faces within Milkshape without success. I have attached a file showing the mesh rendered in Bryce with both the intended material as well as a simple one showing that in both cases you see the black face(s). Any ideas how I can fix this? thanks...Dave