Ключевые слова: abstract, asymmetrical, asymmetry, basic, bubble, burst, cartoon, charcoal, circle, circular, contour, curve, doodle, down, draft, drafting, drawing, drawn, element, enclosure, encompass, frame, good, hand, intersect, irregular, lines, outline, oval, overlap, paper, pen, pencil, radial, radiating, rings, rough, round, scratch, scrawl, scribble, shape, simple, sketch, sketchy, spire, thin,