I am interested in rendering fabrics in a pleasing way by taking into account their knit microstructure (combinging threads into cloth) and the composition of the threads (material and spinning structure). I have attached 4 pictures of shirts I own that are made of different or have different weaves to the fabric. Based on the weave, there is some degree of self-shadowing and also transparency. My rough goal is to ray trace a representative small piece of the cloth in high detail and then bake the calculated BRDF, shadowing, and transparency into textures which can then be used to render larger patches of cloth. The physical properties of moving cloth or cloth after it has fallen are not the focus of what I want to pursue. So far I have two papers which look helpful and I am in the process of reading them: A microsoft paper looking at cloth from many different perspectives: http://research.microsoft.com/~yqxu/papers/tvcg.pdf A short paper looking at the individual fibers in a cloth: http://cgg-journal.com/2000-2/03/IMPLICIT.htm Some pics from second that illustrate microstructure: attachment:wavy_spin.gif attachment:straight.gif Some pics of my shirt fabric, VERY LARGE: attachment:cotton_bigweave.jpg attachment:cotton_shiny.jpg attachment:cotton_tshirt.jpg attachment:silk.jpg