HOW CAN I CREAT REALISTIC LEATHER SOFA!!PLS HELP

hi i have necessery to learn how can i creat nice sofa with v-ray for sketchup and then applicate the leather material like this http://www.theresidentarchitect.com/2010/05/architectural-visualization-3ds-max-tutorials-23-leather-in-vray.html#axzz0sGen4G1kif exsit some tutorial pls send me or if anybody can help me thx

nobody helps me???(

Good day maam, its organic modeling maam.

Plugins posted by Our sketchup guru- Nomeradona
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Organic Modeling plugins for SketchUp

yes but i wanna creat the sofa like this url=http://www.theresidentarchitect.com/2010/05/architectural-visualization-3ds-max-tutorials-23-leather-in-vray.html#axzz0sGen4G1k]http://www.theresidentarchitect.com/2010/05/architectural-visualization-3ds-max-tutorials-23-leather-in-vray.html#axzz0sGen4G1k[/url]with organic plugin i dont know how can i creat this chiar can some one help me pls?