Skins How to create this helmet image map with photoshop or gimp?

[vitosky]

How to create this helmet image map (helmet_os.dds) with photoshop or gimp?

 

[Stereo]

It's an object space normal map, you need to generate it in 3ds max, blender, or other 3d editor that you have the helmet in

 

[vitosky]

thank you very much you are a expert.