There are millions of images available that you can then use as textures fro SUP material/SKM files https://www.google.co.uk/search?q=padded+upholstery+texture&source=lnms&tbm=isch&sa=X&ei=X74dUuGjKaKV0AXLtYHQBA&ved=0CAcQ_AUoAQ&biw=1440&bih=763
Here's a quick example [poor since its tiling is off]...

Quilted#4_DimGray_25.skm

33_1.jpg