The interesting this that this photo shows is different textures. It is soft in the pieces of bark, but when we look at the picture as a whole, it looks rough because of the multiple different pieces of bark. This creates somewhat of a pattern, however, it is pretty random the shapes involved. The picture is unified because of the lack of the pattern.
petitpoulailler: isis0isis: Embrace by fusion-of-horizonsVia Flickr: giant dovetails [the angle is not 90 but 120 degrees] from the altar of a wooden church in Valcea County, XIX century, Romania detaliu de la o biserica de lemn din Valcea