Download here a similar model to speed up the build process of the scene. But, unfortunately, it was not possible to make a scan model, to put a fine fabric texture. It was necessary to make the model itself. Now the grid is much simpler, easy to unfold. Turbosmooth open. The archive is the model for Max 2011. In fbx translated lowpoly model, because it is necessary to apply the anti-aliasing for some elements.