Ключевые слова: 3d, advertising, background, blank, booklet, brochure, cardboard, catalog, clean, closed, content, copy, cover, crease, design, desk, detailed, document, empty, fold, folded, group, heap, illustration, information, isolated, media, mock, mockup, model, object, page, paper, paperback, pattern, pile, place, promotion, realistic, sample, shadow, sheet, smooth, soft, space, stack, template, textbook, white, zigzag,