Ключевые слова: 3d illustration, a4, a5, advertise, advertising, background, blank, booklet, brochure, business, card, design, document, empty, flyer, fold, folded, isolated, layout, leaflet, marketing, mock up, mockup, open, page, paper, presentation, print, promotion, publication, sheet, side, space, stationery, template, three, tri, tri fold, trifold, unfolded, view, white, zfold,