Ключевые слова: abstract, background, bark, brown, circle, circular, concentric, construction, cut, design, detail, felled, forest, frame, grain, growth, history, life, log, lumber, macro, material, natural, nature, oak, oak slab, old, overhead view, part, pine, plant, ring, round, saw, section, shape, slice, space, structure, stump, surface, texture, textured, timber, top view, tree, trunk, wood, wooden, years,