Ключевые слова: abstract, age, annual, background, bark, circle, circular, closeup, concentric, crack, cut, detail, firewood, forest, growth, irregular shape, log, lumber, macro, many, material, nature, oak, oak slab, old, overhead view, pattern, pile, plant, ring, rough, section, shape, slice, space, split, stack, stump, surface, texture, textured, timber, top view, tree, trunk, wood, wood rings, wood slab, wooden, years,