Ключевые слова: academic, art, artistic, artwork, black, cast, cross hatching, drawing, drawings, drawn, educational, figure, finger, graphic, graphite, gray, hand, hand drawn, handdrawn, handpainted, hatching, human, illustration, image, lead pencil, model, paper, pencil, picture, regular pencil, sculpture, shape, sketch, sketching, study, technique, training, vertical, white, white background, wrist,