I've read lots of tutorials about digital painting and one that seems to pop out once in a while is tut on painting certain materials like skin. They seem so unimportant that I don't really try out those tutorials. But after some consideration I did now because I think that is what causing me difficulty:
Attachment:
File comment: four balls of different substance
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I tried to paint four materials. From top left to bottom right:
Generic diffuse material: A dull white ball. Lots of tutorials about this one so I don't have that much difficulty.
Shiny material: Yellow plastic ball. A bit like diffuse material but with strong highlights. Lots of tuts too.
Metal: Hope I make a good gold material. What do you think. Not much tut about it and thus bit tricky. Used a golden ring as reference.
Skin: Probably the most difficult. The tuts I read talk about Subsurface scattering (SSS) and Wikipedia talked mumbo jumbo about it. Still I tried to paint the SSS effect, I hope.
In the center is a scaled down version of them to show how it would look at a distance.
That is all. Do you have problems too like me in painting materials? Like to hear tips and advice from all of you GIMPers concerning this.